awesome-scala

A curated list of awesome Scala frameworks, libraries and software.

apache/spark - Apache Spark - A unified analytics engine for large-scale data processing
lichess-org/lila - ♞ lichess.org: the forever free, adless and open source chess server ♞
scala/scala - Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3
playframework/playframework - The Community Maintained High Velocity Web Framework For Java and Scala.
apache/predictionio - PredictionIO, a machine learning server for developers and ML engineers.
yahoo/CMAK - CMAK is a tool for managing Apache Kafka clusters
rtyley/bfg-repo-cleaner - Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala
gitbucket/gitbucket - A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility
twitter/finagle - A fault tolerant, protocol-agnostic RPC system
gatling/gatling - Modern Load Testing as Code
scala/scala3 - The Scala 3 compiler, also known as Dotty.
fpinscala/fpinscala - Code, exercises, answers, and hints to go along with the book "Functional Programming in Scala"
microsoft/SynapseML - Simple and Distributed Machine Learning
sbt/sbt - sbt, the interactive build tool
scalaz/scalaz - Principled Functional Programming in Scala
scala-js/scala-js - Scala.js, the Scala to JavaScript compiler
scala-native/scala-native - Your favorite language gets closer to bare metal.
zio/zio - ZIO — A type-safe, composable library for async and concurrent programming in Scala
chipsalliance/chisel - Chisel: A Modern Hardware Design Language
twitter/scalding - A Scala API for Cascading
scalanlp/breeze - Breeze is/was a numerical processing library for Scala.
TheHive-Project/TheHive - TheHive: a Scalable, Open Source and Free Security Incident Response Platform
milessabin/shapeless - Generic programming for Scala
awslabs/deequ - Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure data quality in large datasets.
chipsalliance/rocket-chip - Rocket Chip Generator
xxf098/shadowsocksr-v2ray-trojan-android - A simple client for Android
spark-jobserver/spark-jobserver - REST job server for Apache Spark
twitter/util - Wonderful reusable code from Twitter
scalatra/scalatra - Tiny Scala high-performance, async web framework, inspired by Sinatra
slick/slick - Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for Scala
lagom/lagom - Reactive Microservices for the JVM
scala-exercises/scala-exercises - The easy way to learn Scala.
com-lihaoyi/Ammonite - Scala Scripting
spotify/scio - A Scala API for Apache Beam and Google Cloud Dataflow.
http4s/http4s - A minimal, idiomatic Scala interface for HTTP
softwaremill/elasticmq - In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.
spray/spray - A suite of scala libraries for building and consuming RESTful web services on top of Akka: lightweight, asynchronous, non-blocking, actor-based, testable
circe/circe - Yet another JSON library for Scala
typelevel/fs2 - Compositional, streaming I/O library for Scala
geekyouth/SZT-bigdata - 深圳地铁大数据客流分析系统🚇🚄🌟
twitter/algebird - Abstract Algebra for Scala
twitter/finatra - Fast, testable, Scala services built on TwitterServer and Finagle
salesforce/TransmogrifAI - TransmogrifAI (pronounced trăns-mŏgˈrə-fī) is an AutoML library for building modular, reusable, strongly typed machine learning workflows on Apache Spark with minimal hand-tuning
com-lihaoyi/mill - Mill is a fast JVM build tool that supports Java and Scala. 2-4x faster than Gradle and 5-10x faster than Maven for common workflows, Mill aims to make your project’s build process performant, maintainable, and flexible
typelevel/doobie - Functional JDBC layer for Scala.
zio/zio-quill - Compile-time Language Integrated Queries for Scala
scalameta/metals - Scala language server with rich IDE features 🚀
pocorall/scaloid - Scaloid makes your Android code easy to understand and maintain.
joernio/joern - Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc
metarank/metarank - A low code Machine Learning personalized ranking service for articles, listings, search results, recommendations that boosts user engagement. A friendly Learn-to-Rank engine
coursier/coursier - Pure Scala Artifact Fetching
typelevel/cats-effect - The pure asynchronous runtime for Scala
sangria-graphql/sangria - Scala GraphQL implementation
datastax/spark-cassandra-connector - DataStax Connector for Apache Spark to Apache Cassandra
typelevel/scalacheck - Property-based testing for Scala
monix/monix - Asynchronous, Reactive Programming for Scala and Scala.js.
typelevel/spire - Powerful new number types and numeric abstractions for Scala.
foundweekends/giter8 - a command line tool to apply templates defined on GitHub
riscv-boom/riscv-boom - SonicBOOM: The Berkeley Out-of-Order Machine
fthomas/refined - Refinement types for Scala
SpinalHDL/SpinalHDL - Scala based HDL
optics-dev/Monocle - Optics library for Scala
japgolly/scalajs-react - Facebook's React on Scala.JS
Philippus/elastic4s - 🔍 Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client
finagle/finch - Scala combinator library for building Finagle HTTP services
sbt/sbt-native-packager - sbt Native Packager
MightyPirates/OpenComputers - Home of the OpenComputers mod for Minecraft.
almond-sh/almond - A Scala kernel for Jupyter
typelevel/skunk - A data access library for Scala + Postgres.
ThoughtWorksInc/Binding.scala - Reactive data-binding for Scala
GravityLabs/goose - Html Content / Article Extractor in Scala - open sourced from Gravity Labs
combust/mleap - MLeap: Deploy ML Pipelines to Production
pureconfig/pureconfig - A boilerplate-free library for loading configuration files
json4s/json4s - JSON library
pathikrit/better-files - Simple, safe and intuitive Scala I/O
vkostyukov/scalacaster - Purely Functional Algorithms and Data Structures in Scala
softwaremill/sttp - The Scala HTTP client you always wanted!
scalameta/scalafmt - Code formatter for Scala
apache/carbondata - High performance data store solution
filodb/FiloDB - Distributed Prometheus time series database
mauricio/postgresql-async - Async, Netty based, database drivers for PostgreSQL and MySQL written in Scala
mesos/spark - Lightning-fast cluster computing in Java, Scala and Python.
akka/alpakka-kafka - Alpakka Kafka connector - Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.
kamon-io/Kamon - Distributed Tracing, Metrics and Context Propagation for applications running on the JVM
softwaremill/tapir - Rapid development of self-documenting APIs
TheHive-Project/Cortex - Cortex: a Powerful Observable Analysis and Active Response Engine
scalapb/ScalaPB - Protocol buffer compiler for Scala.
PkmX/lcamera - A camera app using the new camera2 API in Android Lollipop
softwaremill/macwire - Zero-cost, compile-time, type-safe dependency injection library.
lift/framework - Lift Framework
scalikejdbc/scalikejdbc - A tidy SQL-based DB access library for Scala developers. This library naturally wraps JDBC APIs and provides you easy-to-use APIs.
akka/alpakka - Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.
sbt/sbt-dependency-graph - sbt plugin to create a dependency graph for your project
twitter/rsc - Experimental Scala compiler focused on compilation speed
ACINQ/eclair - A scala implementation of the Lightning Network.
apache/pekko - Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala
JetBrains/intellij-scala - Scala plugin for IntelliJ IDEA
lloydmeta/enumeratum - A type-safe, reflection-free, powerful enumeration implementation for Scala with exhaustive pattern match warnings and helpful integrations.
seveniruby/AppCrawler - 基于appium的app自动遍历工具
lihaoyi/Metascala - A JVM written in Scala
scalalandio/chimney - Scala library for boilerplate-free, type-safe data transformations
wavesplatform/Waves - ⛓️ Reference Waves Blockchain Node (client) implementation on Scala
scalatest/scalatest - A testing tool for Scala and Java developers
scala/scala-async - An asynchronous programming facility for Scala
scala-steward-org/scala-steward - 🤖 A bot that helps you keep your projects up-to-date
tumblr/colossus - I/O and Microservice library for Scala
scalameta/scalameta - Library to read, analyze, transform and generate Scala programs
com-lihaoyi/fastparse - Writing Fast Parsers Fast in Scala
jacksu/utils4s - scala、spark使用过程中，各种测试用例以及相关资料整理
wartremover/wartremover - Flexible Scala code linting tool
TheAlgorithms/Scala - All Algorithms implemented in Scala
pauljamescleary/scala-pet-store - An implementation of the java pet store using FP techniques in scala
outworkers/phantom - Schema safe, type-safe, reactive Scala driver for Cassandra/Datastax Enterprise
bigdatagenomics/adam - ADAM is a genomics analysis platform with specialized file formats built using Apache Avro, Apache Spark, and Apache Parquet. Apache 2 licensed.
broadinstitute/cromwell - Scientific workflow engine designed for simplicity & scalability. Trivially transition between one off use cases to massive scale production environments
lihaoyi/scala.rx - An experimental library for Functional Reactive Programming in Scala
spray/spray-json - A lightweight, clean and simple JSON implementation in Scala
scalaj/scalaj-http - Simple scala wrapper for HttpURLConnection. OAuth included.
h2oai/sparkling-water - Sparkling Water provides H2O functionality inside Spark cluster
ghostdogpr/caliban - Functional GraphQL library for Scala
eaplatanios/tensorflow_scala - TensorFlow API for the Scala Programming Language
typelevel/simulacrum - First class syntax support for type classes in Scala
typelevel/squants - The Scala API for Quantities, Units of Measure and Dimensional Analysis
lightbend-labs/scala-logging - Convenient and performant logging library for Scala wrapping SLF4J.
scalacenter/bloop - Bloop is a build server and CLI tool to compile, test and run Scala fast from any editor or build tool.
wzhe06/SparkCTR - CTR prediction model based on spark(LR, GBDT, DNN)
ReactiveX/RxScala - RxScala – Reactive Extensions for Scala – a library for composing asynchronous and event-based programs using observable sequences
typelevel/frameless - Expressive types for Spark.
Antox/Antox - Android client for Project Tox - Secure Peer to Peer Messaging
nscala-time/nscala-time - A new Scala wrapper for Joda Time based on scala-time
ReactiveMongo/ReactiveMongo - 🍃 Non-blocking, Reactive MongoDB Driver for Scala
spray/sbt-revolver - An SBT plugin for dangerously fast development turnaround in Scala
tminglei/slick-pg - Slick extensions for PostgreSQL
scala/pickling - Fast, customizable, boilerplate-free pickling support for Scala
scalacenter/scalafix - Refactoring and linting tool for Scala
eligosource/eventsourced - A library for building reliable, scalable and distributed event-sourced applications in Scala
softwaremill/quicklens - Modify deeply nested case class fields
mohiva/play-silhouette - Silhouette is an authentication library for Play Framework applications that supports several authentication methods, including OAuth1, OAuth2, OpenID, CAS, 2FA, TOTP, Credentials, Basic Authentication or custom authentication schemes.
precog/matryoshka - Generalized recursion schemes and traversals for Scala.
scodec/scodec - Scala combinator library for working with binary data
playframework/play-slick - Slick Plugin for Play
zio/zio-http - A next-generation Scala framework for building scalable, correct, and efficient HTTP clients and servers
twitter/scrooge - A Thrift parser/generator
etaty/rediscala - Non-blocking, Reactive Redis driver for Scala (with Sentinel support)
sbt/sbt-jmh - "Trust no one, bench everything." - sbt plugin for JMH (Java Microbenchmark Harness)
twitter-archive/ostrich - A stats collector & reporter for Scala servers (deprecated)
ThoughtWorksInc/DeepLearning.scala - A simple library for creating complex neural networks
cb372/scalacache - Simple caching in Scala
softwaremill/magnolia - Easy, fast, transparent generic derivation of typeclass instances
gearpump/gearpump - Lightweight real-time big data streaming engine over Akka
rtimush/sbt-updates - sbt plugin that can check Maven and Ivy repositories for dependency updates
raquo/Laminar - Simple, expressive, and safe UI library for Scala.js
com-lihaoyi/scalatags - ScalaTags is a small XML/HTML construction library for Scala.
softwaremill/bootzooka - Simple project to quickly start developing a Scala-based microservice or web application, without the need to write login, user registration etc.
theiterators/akka-http-microservice - Example of http (micro)service in Scala & akka-http
plokhotnyuk/jsoniter-scala - Scala macros for compile-time generation of safe and ultra-fast JSON codecs + circe booster
skinny-framework/skinny-framework - 🚝 "Scala on Rails" - A full-stack web app framework for rapid development in Scala
seratch/AWScala - Using AWS SDK on the Scala REPL
jdegoes/blueeyes - A lightweight Web 3.0 framework for Scala, featuring a purely asynchronous architecture, extremely high-performance, massive scalability, high usability, and a functional, composable design.
marcus-drake/sbt-docker - Create Docker images directly from sbt
etorreborre/specs2 - Software Specifications for Scala
vegas-viz/Vegas - The missing MatPlotLib for Scala + Spark
com-lihaoyi/requests-scala - A Scala port of the popular Python Requests HTTP client: flexible, intuitive, and straightforward to use.
miguno/kafka-storm-starter - [PROJECT IS NO LONGER MAINTAINED] Code examples that show to integrate Apache Kafka 0.8+ with Apache Storm 0.9+ and Apache Spark Streaming 1.1+, while using Apache Avro as the data serialization format.
sksamuel/avro4s - Avro schema generation and serialization / deserialization for Scala
sirthias/parboiled2 - A macro-based PEG parser generator for Scala 2.10+
ruippeixotog/scala-scraper - A Scala library for scraping content from HTML pages
com-lihaoyi/upickle - uPickle: a simple, fast, dependency-free JSON & Binary (MessagePack) serialization library for Scala
unfiltered/unfiltered - A toolkit for servicing HTTP requests in Scala
oleg-py/better-monadic-for - Desugaring scala for without implicit withFilters
LucaCanali/sparkMeasure - This is the development repository for sparkMeasure, a tool and library designed for efficient analysis and troubleshooting of Apache Spark jobs. It focuses on easing the collection and examination of Spark metrics, making it a practical choice for both developers and data engineers.
tototoshi/scala-csv - CSV Reader/Writer for Scala
com-lihaoyi/os-lib - OS-Lib is a simple, flexible, high-performance Scala interface to common OS filesystem and subprocess APIs
scallop/scallop - a simple Scala CLI parsing library
scalastyle/scalastyle - scalastyle
scalafx/scalafx - ScalaFX simplifies creation of JavaFX-based user interfaces in Scala
ochrons/scalajs-spa-tutorial - Tutorial for creating a simple Single Page Application in ScalaJS
jwt-scala/jwt-scala - JWT support for Scala. Bonus extensions for Play, Play JSON, Json4s, Circe, uPickle, Spray and Argonaut
lichess-org/scalachess - Chess API written in scala. Immutable and free of side effects.
TouK/nussknacker - Low-code tool for automating actions on real time data | Stream processing for the users.
scala/scala-parser-combinators - simple combinator-based parsing for Scala. formerly part of the Scala standard library, now a separate community-maintained module
shadaj/slinky - Write Scala.js React apps just like you would in ES6
sbt/sbt-release - A release plugin for sbt
deanwampler/programming-scala-book-code-examples - The code examples used in Programming Scala, 2nd and 3rd Editions (O'Reilly)
bkirwi/decline - A composable command-line parser for Scala.
suzaku-io/diode - Scala library for managing immutable application model
PurpleKingdomGames/indigo - An FP game engine for Scala.
testcontainers/testcontainers-scala - Docker containers for testing in scala
chandu0101/sri - Build truly native cross platform (web,ios,android) apps using scalajs and react, react-native ,This project moved to new organization : https://github.com/scalajs-react-interface/sri#sri, new chat room : https://gitter.im/scalajs-react-interface/sri
wvlet/airframe - Essential Building Blocks for Scala
gvolpe/trading - 💱 Trading application written in Scala 3 that showcases an Event-Driven Architecture (EDA) and Functional Programming (FP)
7mind/izumi - Productivity-oriented collection of lightweight fancy stuff for Scala toolchain
frees-io/freestyle - A cohesive & pragmatic framework of FP centric Scala libraries
dehun/learn-fp - learn-by-doing course/tutorial for functional programming on scala
twitter/chill - Scala extensions for the Kryo serialization library
scalate/scalate - Scalate is a Scala based template engine which supports HAML, Mustache and JSP, Erb and Velocity style syntaxes.
AbsaOSS/spline - Data Lineage Tracking And Visualization Solution
scalatron/scalatron - Scalatron, a multi-player programming game in which coders pit bot programs (written in Scala) against each other
felixgborrego/simple-docker-ui - Native Docker UI implemented using Scala.js and React - DEPRECATED
hseeberger/akka-http-json - Integrate some of the best JSON libs in Scala with Akka HTTP
stanch/reftree - Automatically generated diagrams and animations for Scala data structures
YotpoLtd/metorikku - A simplified, lightweight ETL Framework based on Apache Spark
squeryl/squeryl - A Scala DSL for talking with databases with minimum verbosity and maximum type safety
atnos-org/eff - Eff monad for cats - https://atnos-org.github.io/eff
tpolecat/tut - doc/tutorial generator for scala
fomkin/korolev - Single Page Applications running on the server side.
qubole/sparklens - Qubole Sparklens tool for performance tuning Apache Spark
scala-graph/scala-graph - Graph for Scala is intended to provide basic graph functionality seamlessly fitting into the Scala Collection Library. Like the well known members of scala.collection, Graph for Scala is an in-memory graph library aiming at editing and traversing graphs, finding cycles etc. in a user-friendly way.
spark-examples/spark-scala-examples - This project provides Apache Spark SQL, RDD, DataFrame and Dataset examples in Scala language
typelevel/cats-collections - Data structures for pure functional programming in Scala
scalapy/scalapy - Use the world of Python from the comfort of Scala!
factorie/factorie - FACTORIE is a toolkit for deployable probabilistic modeling, implemented as a software library in Scala. It provides its users with a succinct language for creating relational factor graphs, estimating parameters and performing inference.
VirtusLab/scala-cli - Scala CLI is a command-line tool to interact with the Scala language. It lets you compile, run, test, and package your Scala code (and more!)
getkyo/kyo - Toolkit for Scala Development
playframework/twirl - Twirl is Play's default template engine
jsuereth/scala-arm - This project aims to be the Scala Incubator project for Automatic-Resource-Management in the scala library
argonaut-io/argonaut - Purely functional JSON parser and library in scala.
kaitai-io/kaitai_struct_compiler - Kaitai Struct: compiler to translate .ksy => .cpp / .cs / .dot / .go / .java / .js / .lua / .nim / .php / .pm / .py / .rb
hyperledger-labs/Scorex - Scorex 2.0 Core
estatico/scala-newtype - NewTypes for Scala with no runtime overhead
nulab/scala-oauth2-provider - OAuth 2.0 server-side implementation written in Scala
com-lihaoyi/cask - Cask: a Scala HTTP micro-framework. Cask makes it easy to set up a website, backend server, or REST API using Scala
gvolpe/pfps-shopping-cart - 🛒 The Shopping Cart application developed in the book "Practical FP in Scala: A hands-on approach"
densh/scala-offheap - Experimental type-safe off-heap memory for Scala.
wix-incubator/accord - Accord: A sane validation library for Scala
scapegoat-scala/scapegoat - Scala compiler plugin for static code analysis
scala-ide/scalariform - Scala source code formatter
Stratio/sparta - Real Time Analytics and Data Pipelines based on Spark Streaming
guardrail-dev/guardrail - Principled code generation from OpenAPI specifications
outr/scribe - The fastest logging library in the world. Built from scratch in Scala and programmatically configurable.
com-lihaoyi/sourcecode - Scala library providing "source" metadata to your program, similar to Python's name, C++'s LINE or Ruby's FILE.
scalameter/scalameter - Microbenchmarking and performance regression testing framework for the JVM platform.
markwinter/Antox - Scala android client for Project Tox - secure p2p messaging
paulbutcher/ScalaMock - Native Scala mocking framework
FasterXML/jackson-module-scala - Add-on module for Jackson (https://github.com/FasterXML/jackson) to support Scala-specific datatypes
xebia-functional/fetch - Simple & Efficient data access for Scala and Scala.js
xerial/sbt-pack - A sbt plugin for creating distributable Scala packages.
scala-ide/scala-ide - Scala IDE for Eclipse
fosskers/scalaz-and-cats - Usage examples and benchmarks between Scalaz and Cats (w/ Haskell ground-truth).
cvogt/cbt - CBT - fun, fast, intuitive, compositional, statically checked builds written in Scala
scala-text/scala_text - Scala学習用テキスト
com-lihaoyi/utest - A simple testing framework for Scala
rockymadden/stringmetric - 🎯 String metrics and phonetic algorithms for Scala (e.g. Dice/Sorensen, Hamming, Jaccard, Jaro, Jaro-Winkler, Levenshtein, Metaphone, N-Gram, NYSIIS, Overlap, Ratcliff/Obershelp, Refined NYSIIS, Refined Soundex, Soundex, Weighted Levenshtein).
NICTA/scoobi - A Scala productivity framework for Hadoop.
mpollmeier/gremlin-scala - [unmaintained] Scala wrapper for Apache TinkerPop 3 Graph DSL
foundweekends/conscript - Scala at your command
jberkel/android-plugin - An sbt plugin for Android development in Scala
akka-js/akka.js - Akka, for Scala.js
dlwh/epic - Archived Epic is a high performance statistical parser written in Scala, along with a framework for building complex structured prediction models.
spotify/featran - A Scala feature transformation library for data science and machine learning
nightscape/spark-excel - A Spark plugin for reading and writing Excel files
slouc/concurrency-in-scala-with-ce - Introduction to concepts of asynchronous and concurrent programming in Scala, based on the Cats Effect library.
outwatch/outwatch - The Functional and Reactive Web-Frontend Library for Scala.js
Iltotore/iron - Strong type constraints for Scala
lightbend-labs/mima - A tool for catching binary incompatibility in Scala
build-server-protocol/build-server-protocol - Protocol for IDEs and build tools to communicate about compile, run, test, debug and more.
zio/zio-prelude - A lightweight, distinctly Scala take on functional abstractions, with tight ZIO integration
UdashFramework/udash-core - Scala framework for building beautiful and maintainable web applications.
Eliah-Lakhin/papa-carlo - Constructor of incremental parsers in Scala
xitrum-framework/xitrum - Async and clustered Scala web framework and HTTP(S) server
spirom/LearningSpark - Scala examples for learning to use Spark
softwaremill/akka-http-session - Web & mobile client-side akka-http sessions, with optional JWT support
scala/scala-java8-compat - A Java 8 (and up) compatibility kit for Scala.
LEGO/woof - A pure Scala 3 logging library with no reflection
typelevel/jawn - Jawn is for parsing jay-sawn (JSON)
stripe/rainier - Bayesian inference in Scala.
pathikrit/scalgos - algorithms in scala
scalacenter/scastie - An interactive playground for Scala
whisklabs/docker-it-scala - Docker integration testing kit with Scala
vmunier/play-scalajs.g8 - Giter8 template to get started with Play and Scala.js.
akka/akka-grpc - Akka gRPC
scalameta/munit - Scala testing library with actionable errors and extensible APIs
dispatch/reboot - Scala wrapper for the Java AsyncHttpClient.
erikvanoosten/metrics-scala - The scala API for Dropwizard's Metrics.
scoverage/scalac-scoverage-plugin - Scoverage Scala Code Coverage Core Libs
mbonaci/scala - Scala reference (as seen by Java developer)
bot4s/telegram - Telegram Bot API Wrapper for Scala
typelevel/Laika - Site and E-book Generator and Customizable Text Markup Transformer for sbt, Scala and Scala.js
ReactiveMongo/Play-ReactiveMongo - 🍃 ReactiveMongo plugin for Playframework
propensive/fury-old - A new build tool for JVM languages
zio/zio-json - Fast, secure JSON library with tight ZIO integration.
endpoints4s/endpoints4s - Describe HTTP endpoints in Scala and derive clients, servers, and documentation
arainko/ducktape - Automatic and customizable compile time transformations between similar case classes and sealed traits/enums, essentially a thing that glues your code. Scala 3 only. Or is it duct 🤔
iheartradio/play-swagger - Swagger spec generator for play framework
vlovgr/ciris - Functional Configurations for Scala
xerial/larray - Large off-heap arrays and mmap files for Scala and Java
marconilanna/REPLesent - A neat little tool to build presentations using the Scala REPL
getnelson/nelson - Automated, multi-region container deployment
streaming-with-flink/examples-scala - Stream Processing with Apache Flink - Scala Examples
scalawithcats/scala-with-cats - Source code for Scala with Cats
scalameta/mdoc - Typechecked markdown documentation for Scala
devsisters/shardcake - Sharding and location transparency for Scala
typelevel/sbt-tpolecat - scalac options for the enlightened
stripe-archive/brushfire - Distributed decision tree ensemble learning in Scala
softwaremill/ox - Safe direct-style concurrency and resiliency for Scala on the JVM
higherkindness/droste - recursion schemes for cats; to iterate is human, to recurse, divine
dickwall/subcut - Scala Uniquely Bound Classes Under Traits
matthiasn/sse-chat - Chat example app using Server Sent Events plus REST calls. Scala, Play Framework 2.3, AngularJS or React (alternatively).
typelevel/algebra - Experimental project to lay out basic algebra type classes
lihaoyi/autowire - Macros for simple/safe RPCs between Scala applications, including ScalaJS/ScalaJVM
lemastero/scala_typeclassopedia - Abstractions from Category theory with simple description & implementation, links to further resources.
alexandrnikitin/bloom-filter-scala - Bloom filter for Scala, the fastest for JVM
typelevel/mouse - A small companion to cats
tek/splain - better implicit errors for scala
scala/legacy-svn-scala - OBSOLETE, we're over there:
playframework/play-json - The Play JSON library
tpolecat/atto - friendly little parsers
tensil-ai/tensil - Open source machine learning accelerators
groupon/sparklint - A tool for monitoring and tuning Spark jobs for efficiency.
epfl-lara/stainless - Verification framework and tool for higher-order Scala programs
bitcoin-s/bitcoin-s - Bitcoin Implementation in Scala
mockito/mockito-scala - Mockito for Scala language
softwaremill/retry - because you should never give up, at least not on the first try
cakesolutions/scala-kafka-client - Scala helper modules for operating the Apache Kafka client library (0.9.x - 2.1.0)
PurpleKingdomGames/tyrian - Elm-inspired Scala UI library.
profunktor/redis4cats - 🔖 Redis client built on top of Cats Effect, Fs2 and Lettuce
jmcardon/tsec - Type-safe general-cryptography library - https://jmcardon.github.io/tsec/
disneystreaming/smithy4s - https://disneystreaming.github.io/smithy4s/
nrinaudo/kantan.csv - CSV handling library for Scala
spotify/ratatool - A tool for data sampling, data generation, and data diffing
softwaremill/diffx - Pretty diffs for scala case classes
jrudolph/pekko-http-scala-js-websocket-chat - An example app that integrates pekko-http and scala-js to implement a websocket chat
twitter/scala_school2 - Scala School 2
rockthejvm/scala-2-beginners - The official repository for the Rock the JVM Scala 2 for beginners course
japgolly/scalacss - Super type-safe CSS for Scala and Scala.JS.
bytedeco/javacv-examples - Examples of using JavaCV / OpenCV library on Java Virtual Machine
opencypher/morpheus - Morpheus brings the leading graph query language, Cypher, onto the leading distributed processing platform, Spark.
eed3si9n/scalaxb - scalaxb is an XML data binding tool for Scala.
Baeldung/scala-tutorials - Supporting code for the tutorials on https://www.baeldung.com/scala
xerial/sbt-sonatype - A sbt plugin for publishing Scala/Java projects to the Maven central.
scala/scala3-example-project - An example sbt project that compiles using Dotty
sbt/zinc - Scala incremental compiler library, used by sbt and other build tools
psliwa/idea-composer-plugin - PhpStorm plugin that adds code completion in composer.json file
ing-bank/baker - Orchestrate microservice-based process flows
higherkindness/mu-scala - Mu is a purely functional library for building RPC endpoint based services with support for RPC and HTTP/2
fun-cqrs/fun-cqrs - Fun.CQRS is a Scala CQRS/ES framework. It provides the basic blocks to build event driven aggregates with Event Sourcing.
elodina/scala-kafka - Quick up and running using Scala for Apache Kafka
softwaremill/kmq - Kafka-based message queue
creativescala/doodle - Compositional vector graphics in Scala / Scala.JS
typelevel/discipline - Flexible law checking for Scala
typelevel/natchez - functional tracing for cats
doriordan/skuber - A Scala Kubernetes client library
notxcain/aecor - Pure functional event sourcing runtime
mattpap/IScala - Scala backend for IPython
aselab/scala-activerecord - ActiveRecord-like ORM library for Scala
scanamo/scanamo - Simpler DynamoDB access for Scala
scala-js/scala-js-dom - Statically typed DOM API for Scala.js
typelevel/cats-tagless - Library of utilities for tagless final encoded algebras
gnieh/diffson - A scala diff/patch library for Json
fulcrumgenomics/fgbio - Tools for working with genomic and high throughput sequencing data.
scalikejdbc/scalikejdbc-async - ScalikeJDBC Extension: Non-blocking APIs in the JDBC way
valskalla/odin - Fast & Functional logger in Scala
softwaremill/scala-clippy - Good advice for Scala compiler errors
riy/degraph - Test and Visualize and Manage Dependencies of classes and packages in JVM Byte Code (think Scala and Java)
akka/akka-persistence-jdbc - Asynchronously writes journal and snapshot entries to configured JDBC databases so that Akka Actors can recover state
brikis98/ping-play - BigPipe streaming for the Play Framework
thatdot/quine - Quine • a streaming graph • https://quine.io • Discord: https://discord.gg/GMhd8TE4MR
lemonlabsuk/scala-uri - Simple scala library for building and parsing URIs
typesafehub/zinc - ⛔️ [DEPRECATED] sbt's scala incremental compiler
khipu-io/khipu - An enterprise blockchain platform based on Ethereum
aws/sagemaker-spark - A Spark library for Amazon SageMaker.
fwbrasil/activate - Abandoned: Pluggable persistence in Scala
scalala/Scalala - Scalala has been superseded by dlwh/breeze. Scalala is a high performance numeric linear algebra library for Scala, with rich Matlab-like operators on vectors and matrices; a library of numerical routines; support for plotting.
scala/scala-xml - The standard Scala XML library
fthomas/crjdt - A conflict-free replicated JSON datatype (CRDT) in Scala
alexarchambault/case-app - Type-level & seamless command-line argument parsing for Scala
manub/scalatest-embedded-kafka - A library that provides an in-memory Kafka instance to run your tests against.
garyaiki/Scala-Algorithms - Scala translations of Robert Sedgewick's Java Algorthms
dispatch/classic - [UNSUPPORTED] Dispatch Classic. See dispatch/reboot for the modern Dispatch for Scala 2.11/2.12
simerplaha/SwayDB - Persistent and in-memory key-value storage engine for JVM that scales on a single machine.
fd4s/fs2-kafka - Functional Kafka Streams for Scala
scala-hamsters/hamsters - A mini Scala utility library
jonifreeman/sqltyped - Embedding SQL as an external DSL into Scala
spotify/big-data-rosetta-code - Code snippets for solving common big data problems in various platforms. Inspired by Rosetta Code
lihaoyi/Scalatex - Programmable, Typesafe Document Generation
scaldi/scaldi - Lightweight Scala Dependency Injection Library
scala-labs/scala-labs - A collection of hands-on programming exercises aimed at teaching you to program in Scala
peregin/gps-overlay-on-video - Telemetry (GPS) data overlay on videos
softwaremill/supler - Rapid Form Development library. Use your favourite JS frontend & Scala backend frameworks.
mjakubowski84/parquet4s - Read and write Parquet in Scala. Use Scala classes as schema. No need to start a cluster.
mongodb/mongo-scala-driver - Former repository of MongoDB Scala driver. Official Scala driver can now be found here: https://github.com/mongodb/mongo-java-driver
krasserm/streamz - A combinator library for integrating Functional Streams for Scala (FS2), Akka Streams and Apache Camel
BlueBrain/nexus - Blue Brain Nexus - A knowledge graph for data-driven science
codahale/jerkson - [ABANDONED] The Scala applewood bacon to Jackson's chicken breast: JSON cordon bleu.
typelevel/CT_from_Programmers.scala - Scala sample code for Bartosz Milewski's CT for Programmers
monadless/monadless - Syntactic sugar for monad composition in Scala
swagger-akka-http/swagger-akka-http - Support for generating Swagger REST API documentation for Akka-Http based services.
scalaprops/scalaprops - property based testing library for Scala
kyleu/boilerplay - Using the latest technology in the Scala ecosystem, Boilerplay is a reactive web application built on Play Framework, ScalaJS, Silhouette, Sangria/GraphQL, and PostgreSQL. It provides a good starting point for whatever you want to build.
rockthejvm/scala-at-light-speed - The repository for the free Scala at Light Speed mini-course
hbase-rdd/hbase-rdd - Spark RDD to read, write and delete from HBase
scala/scala-dist - sbt project that packages the Scala distribution
zio/zio-actors - A high-performance, purely-functional library for building, composing, and supervising typed actors based on ZIO
kailuowang/henkan - A small library for converting between case classes.
HairyFotr/linter - Static Analysis Compiler Plugin for Scala
non/debox - Fast, deboxed, specialized data structures for Scala
albuch/sbt-dependency-check - SBT Plugin for OWASP DependencyCheck. Monitor your dependencies and report if there are any publicly known vulnerabilities (e.g. CVEs). 🌈
blemale/scaffeine - Thin Scala wrapper for Caffeine (https://github.com/ben-manes/caffeine)
jorgeortiz85/scala-time - A Scala wrapper for Joda Time
Tenchi2xh/Scurses - Scurses, terminal drawing API for Scala, and Onions, a Scurses framework for easy terminal UI
scalad/LayIM - 基于HTML5 WebSocket的一款IM即时通讯软件，使用Gradle集成了Scala、SpringBoot、Spring MVC、Mybatis、Redis等，前端使用了LayIm框架
playforscala/sample-applications - Sample applications that go with the book Play for Scala
NET-A-PORTER/scala-uri - Simple scala library for building and parsing URIs
rockthejvm/spark-essentials - The official repository for the Rock the JVM Spark Essentials with Scala course
hedgehogqa/scala-hedgehog - Release with confidence, state-of-the-art property testing for Scala.
sbt/sbt-scalariform - sbt plugin adding support for source code formatting using Scalariform
Chymyst/curryhoward - Automatic code generation for Scala functions and expressions via the Curry-Howard isomorphism
ThoughtWorksInc/each - A macro library that converts native imperative syntax to scalaz's monadic expressions
ctongfei/nexus - Experimental tensor-typed deep learning
mashupbots/socko - A Scala web server powered by Netty networking and AKKA processing.
ghik/silencer - Scala compiler plugin for warning suppression
DanielaSfregola/twitter4s - An asynchronous non-blocking Scala client for both the Twitter Rest and Streaming API
ThoughtWorksInc/Dsl.scala - A framework to create embedded Domain-Specific Languages in Scala
lampepfl/gears - A strawman for a low-level async library in Scala 3.
foursquare/fsqio - A monorepo that holds all of Foursquare's opensource projects
greencatsoft/scalajs-angular - AngularJS Binding for Scala.js
scalameta/sbt-native-image - Plugin to generate native-image binaries with sbt
propensive/contextual - Statically-checked string interpolation in Scala
potigol/potigol - Linguagem Potigol - Linguagem de programação funcional moderna para iniciantes - A Functional Programming Language for Beginners
playframework/play-mailer - Play mailer plugin
mesosphere/chaos - A lightweight framework for writing REST services in Scala.
com-lihaoyi/acyclic - Acyclic is a Scala compiler plugin to let you prohibit circular dependencies between files
velvia/ScalaStorm - Harness the power and elegance of Scala with nathanmarz's Storm real-time system
nbronson/scala-stm - A library-based Software Transactional Memory (STM) for Scala, coupled with transactional sets and maps
nativelibs4java/ScalaCL - ScalaCL - run Scala on your GPU!
makenowjust-labs/recheck - The trustworthy ReDoS checker
scala-ts/scala-ts - 🔧 Scala datamodel transpiler
raquo/Airstream - State propagation and event streams with mandatory ownership and no glitches
fogus/baysick - An embedded Insane-specific Language for Scala implementing the BASIC programming language
paypal/gimel - Big Data Processing Framework - Unified Data API or SQL on Any Storage
twitter-archive/cassie - A Scala client for Cassandra
jrudolph/json-lenses - A library to query and update JSON data in Scala.
jaceklaskowski/scalania - Learn Scala by examples
theiterators/reactive-microservices - Project showcasing different microservice communication styles using Scala, Akka, Play and other tools from Scala ecosystem
cibotech/evilplot - A Scala combinator-based plotting library.
altoo-ag/akka-kryo-serialization - Kryo-based serialization for Akka
playframework/anorm - The Anorm database library
zalando/grafter - Grafter is a library to configure and wire Scala applications
traneio/arrows - High-performance Arrow and Task in Scala
MAIF/otoroshi - Lightweight api management on top of a modern http reverse proxy
alexarchambault/scalacheck-shapeless - Generation of arbitrary case classes / ADTs instances with scalacheck and shapeless
portable-scala/sbt-crossproject - Cross-platform compilation support for sbt.
scalacenter/scala-3-migration-guide - The Scala 3 migration guide for everyone.
zio/zio-sql - Type-safe, composable SQL for ZIO applications
tindzk/seed - Build tool for Scala projects
sorm/sorm - A functional boilerplate-free Scala ORM
codeport/scala - LascoDan(Korea Scala Group) scala study
lihaoyi/workbench - Tooling around scala-js
Azure/azure-event-hubs-spark - Enabling Continuous Data Processing with Apache Spark and Azure Event Hubs
zio/zio-config - Easily use and document any config from anywhere in ZIO apps
sjrd/scala-js-ts-importer - TypeScript Importer for Scala.js
sirthias/scala-ssh - Remote shell access via SSH for your Scala applications
sbt/sbt-fresh - sbt-plugin to create an opinionated fresh sbt project
chrisokasaki/scads - Scala Algorithms and Data Structures
SpinGo/op-rabbit - The Opinionated RabbitMQ Library for Scala and Akka
VladKopanev/zio-saga - Purely Functional Transaction Management In Scala With ZIO
input-output-hk/mantis - A Scala based client for Ethereum-like Blockchains.
scala/scala-abide - obsolete; visit https://github.com/scalacenter/scalafix instead
ShellRechargeSolutionsEU/akka-rabbitmq - RabbitMq client in Scala and Akka actors
linkedin/isolation-forest - A distributed Spark/Scala implementation of the isolation forest algorithm for unsupervised outlier detection, featuring support for scalable training and ONNX export for easy cross-platform inference.
47degrees/github4s - A GitHub API wrapper written in Scala
com-lihaoyi/fansi - Scala/Scala.js library for manipulating Fancy Ansi colored strings
CleverCloud/pulsar4s - Idiomatic, typesafe, and reactive Scala client for Apache Pulsar
agourlay/cornichon - Testing tool in Scala for HTTP JSON API
debasishg/sjson - Scala Json with capabilities for Scala Object Serialization
com-lihaoyi/PPrint - Pretty-printing value, types and type-signatures in Scala
OlivierBlanvillain/monadic-html - Tiny DOM binding library for Scala.js
sirthias/borer - Efficient CBOR and JSON (de)serialization in Scala
playframework/play-ws - Standalone Play WS, an async HTTP client with fluent API
dmurvihill/courier - send electronic mail with scala
Comcast/ip4s - Defines immutable, safe data structures for describing IP addresses, multicast joins, socket addresses and similar IP & network related data types
alexarchambault/plotly-scala - Scala bindings for plotly.js
ScalablyTyped/Converter - Typescript to Scala.js converter
FaKod/neo4j-scala - Scala wrapper for Neo4j Graph Database
SandroGrzicic/ScalaBuff - the scala protocol buffers (protobuf) compiler
nativelibs4java/Scalaxy - Compiler plugin goodies for Scala (continuation of non-OpenCL part of ScalaCL)
timowest/scalagen - Java to Scala transformation
concurrent-programming-in-scala/learning-examples - Code examples for the book Learning Concurrent Programming in Scala
zio/zio-intellij - A companion IntelliJ IDEA plugin for the ZIO library ecosystem.
spray/twirl - The Play framework Scala template engine, stand-alone and packaged as an SBT plugin
PagerDuty/scheduler - A Scala library for scheduling arbitrary code to run at an arbitrary time.
Qbeast-io/qbeast-spark - Qbeast-spark: DataSource enabling multi-dimensional indexing and efficient data sampling. Big Data, free from the unnecessary!
playframework/play-scala-rest-api-example - Example Play Scala application showing REST API
pablosmedina/ckite - CKite - A JVM implementation of the Raft distributed consensus algorithm written in Scala
runarorama/scala-machines - A stream processing library for Scala
outr/youi - Next generation user interface and application development in Scala and Scala.js for web, mobile, and desktop.
Bayer-Group/cloudformation-template-generator - A type-safe Scala DSL for generating CloudFormation templates
zio/zio-protoquill - Quill for Scala 3
daizikaikou/learningSpark - 学习spark写的scala代码，工具使用的是IDEA2017.1.6,欢迎star
oyvindberg/tui-scala - Beautiful Text-based User Interfaces for Scala
creativescala/creative-scala - Quick, graphical, fun introduction to programming in Scala.
nau/jscala - Scala macro that produces JavaScript from Scala code.
danielkorzekwa/bayes-scala - Bayesian Networks in Scala
boundary/scalang - Scalang is a scala wrapper that makes it easy to write services that interface with erlang.
alephium/alephium - Reference client for Alephium protocol
lihaoyi/workbench-example-app - An example application written in ScalaJS using scala-js-dom and scala-js-workbench
debasishg/scala-redis-nb - Implementation of a non blocking Redis client in Scala using Akka IO
scala/scala-collection-compat - makes some Scala 2.13 APIs (primarily collections, also some others) available on 2.11 and 2.12, to aid cross-building
lunatech-labs/lunatech-scala2-to-scala3-course - Lunatech course - "Moving forward from Scala 2 to Scala 3"
julianpeeters/avrohugger - Generate Scala case class definitions from Avro schemas
heathermiller/progfun-stats - Visualize statistics from the MOOC "Functional Programming Principles in Scala" using Scala!
tailhq/DynaML - Scala Library/REPL for Machine Learning Research
scalameta/sbt-scalafmt - sbt plugin for Scalafmt
opensourceteams/spark-scala-maven-2.4.0 - Spark2.4.0 学习笔记分享
input-output-hk/scrypto - Cryptographic primitives for Scala
Verizon/quiver - A reasonable library for modeling multi-graphs in Scala
TomasMikula/libretto - Declarative concurrency and stream processing library for Scala
ThoughtWorksInc/Compute.scala - Scientific computing with N-dimensional arrays
scala/collection-strawman - Implementation of the new Scala 2.13 Collections
zio/zio-keeper - A ZIO library for building distributed systems
stryker-mutator/stryker4s - Mutation testing for Scala
spirom/spark-streaming-with-kafka - Self-contained examples of Apache Spark streaming integrated with Apache Kafka.
ShellRechargeSolutionsEU/ocpp - Open Charge Point Protocol
scala/scala-parallel-collections - Parallel collections standard library module for Scala 2.13+
rssh/scala-gopher - Implementation of CSP constructions (Communication Sequence Process, i.e. go-like channels) in scala
cloudify/sPDF - Create PDFs from Scala using plain old HTML and CSS. Uses wkhtmltopdf on the back-end which renders HTML using Webkit.
scalacenter/scaladex - The Scala Package Index
josephguan/scala-design-patterns - Design patterns implemented in Scala.
gvolpe/pfps-examples - 🏮 Standalone examples shown in the book "Practical FP in Scala: A hands-on approach"
epfldata/squid - Squid – type-safe metaprogramming and compilation framework for Scala
avast/scala-server-toolkit - Functional programming toolkit for building server applications in Scala.
djspiewak/parseback - A Scala implementation of parsing with derivatives
asdud/Bigdata_project - 电商大数据项目-推荐系统(java和scala语言)
zalando-incubator/remora - Kafka consumer lag-checking application for monitoring, written in Scala and Akka HTTP; a wrap around the Kafka consumer group command. Integrations with Cloudwatch and Datadog. Authentication recently added
kenbot/goggles - Pleasant, yet principled Scala optics DSL
G-Research/spark-extension - A library that provides useful extensions to Apache Spark and PySpark.
SidneyXu/AndroidDemoIn4Languages - Comparison among Java, Groovy, Scala, Kotlin in Android Development.
playframework/play-scala-websocket-example - Example Play Scala application showing WebSocket use with Akka actors
pathikrit/metarest - Scala macros to generate RESTful Models
Algomancer/Full-Stack-Scala-Starter - Play 2.5, ScalaJS, Binding.scala starter project.
vmunier/sbt-web-scalajs - SBT plugin to use Scala.js along with any sbt-web server.
japgolly/scala-graal - Make usage of Graal features easy and safe from Scala. Also features Scala-based React SSR.
AugustNagro/magnum - A 'new look' for database access in Scala
liancheng/scalafix-organize-imports - A CI-friendly Scalafix semantic rule for organizing imports
jto/validation - validation api extracted from play
com-lihaoyi/scalasql - Scala ORM to query SQL databases from Scala via concise, type-safe, and familiar case classes and collection operations. Connects to Postgres, MySql, H2, and Sqlite out of the box
typelevel/cats-effect-testing - Integration between cats-effect and test frameworks
cequence-io/openai-scala-client - Scala client for OpenAI API
typelevel/shapeless-3 - Generic programming for Scala
lightbend/kafka-streams-scala - Thin Scala wrapper around Kafka Streams Java API
zio/zio-nio - A small, unopinionated ZIO interface to NIO.
trace4cats/trace4cats - Distributed app tracing implementation in pure scala using cats-effect
stevej/scala-json - Scala JSON toolkit. Originally from the Odersky "Stairway" Book, tightened up and tests added by Twitter, Inc.
pniederw/expecty - Power assertions (as known from Groovy and Spock) for the Scala language.
lastland/scala-forklift - Type-safe data migration tool for Slick, Git and beyond.
DanielaSfregola/random-data-generator - Random generator of test data in Scala based on Scalacheck and Shapeless
com-lihaoyi/mainargs - A small, convenient, dependency-free library for command-line argument parsing in Scala
typelevel/paiges - an implementation of Wadler's a prettier printer
swoop-inc/spark-alchemy - Collection of open-source Spark tools & frameworks that have made the data engineering and data science teams at Swoop highly productive
slack-scala-client/slack-scala-client - A scala library for interacting with the slack api and real time messaging interface
MAIF/izanami - Izanami is a centralized versatile feature flag solution, well suited for micro service architectures.
jpzk/mockedstreams - Scala DSL for Unit-Testing Processing Topologies in Kafka Streams
eryk/squant - SQuant是使用scala语言编写的量化开发工具箱，提供开箱即用的A股股票数据和外汇数据（docker镜像），以及高效的回测框架与交易模块。方便Java/Scala爱好者进行量化投资研究。 QQ群：281599099，微信公众号：Python量化交易实战。对，我已经转python了。。。
ceedubs/ficus - Scala-friendly companion to Typesafe config - moved to https://github.com/iheartradio/ficus
Nycto/Hasher - A small Scala library for easily generating hashes (md5, sha1, sha256, sha512, crc32, bcrypt, hmacs, pbkdf2)
jaspervz/todo-http4s-doobie - A sample project of a microservice using http4s, doobie, and circe.
kubukoz/sup - Composable, purely functional healthchecks in Scala.
japgolly/nyaya - Random Data Generation and/or Property Testing in Scala & Scala.JS.
eligosource/eventsourced-example - A Scala web application demonstrating event-sourcing best practices
xebia-functional/nine-cards-v2 - An Open Source Android Launcher built with Scala on Android
mpilquist/Structures - Functional type classes for Scala
hrj/abandon - 😌 Simple and Robust Accounting
Verizon/knobs - A reasonable configuration library for Scala
travisbrown/iteratee - Iteratees for Cats
mDialog/smoke - Simple, asynchronous HTTP using Scala.
sbt-doctest/sbt-doctest - Doctest for scala
norbert-radyk/spoiwo - Scala POI Wrapper for the spreadsheet generation in Excel:
jvican/dijon - A Dynamically Typed Scala Json Library
lamdor/scala-koans - The Scala Koans
bizreach-inc/play2-hands-on - Play2 + Slick / ScalikeJDBCを使ってWebアプリケーションを作成するハンズオンです。
SystemFw/upperbound - A purely functional rate limiter
rssh/dotty-cps-async - experimental CPS transformer for dotty
monix/minitest - The super light testing library for Scala and Scala.js
atware/scuruto - An internal knowledge sharing app
Tapad/sbt-docker-compose - Integrates Docker Compose functionality into sbt (archived as unmaintained)
SETL-Framework/setl - A simple Spark-powered ETL framework that just works 🍺
harrah/browse - A Scala source code browser
augustjune/canoe - Functional Telegram Bot API for Scala
typesafehub/scalalogging - Convenient and performant logging in Scala
qifun/stateless-future - Asynchronous programming in fully featured Scala syntax.
nivanov/cosplay - 🕹 2D ASCII Game Engine for Scala3
jdegoes/functional-scala - The repository for the Functional Scala workshop.
ilya-klyuchnikov/tapl-scala - Code from the book "Types and Programming Languages" in Scala
frees-io/iota - Fast [co]product types with a clean syntax. For Cats & Scalaz.
bizzabo/diff - Visually compare Scala data structures with out of the box support for arbitrary case classes.
pepegar/hammock - Purely functional HTTP client
aztek/scala-workflow - Boilerplate-free syntax for computations with effects
pelotom/effectful - A syntax for type-safe effectful computations in Scala
makingthematrix/scalaonandroid - A tutorial and examples of how to write Android apps in Scala 2.13 and Scala 3.
leobenkel/ZparkIO - Boiler plate framework to use Spark and ZIO together.
j-mie6/parsley - A fast and modern parser combinator library for Scala
zio/zio-logging - Powerful logging for ZIO 2.0 applications, with compatibility with many logging backends out-of-the-box.
wiringbits/scala-webapp-template - A pragmatic skeleton to build web applications in Scala/Scala.js, including user registration, login, admin portal, and, deployments
sbt/sbt-site - Site generation for sbt
Philippus/sbt-dotenv - ⏺️ Dotenv implementation for Scala sbt builds. Configures environment for local development.
axel22/Ctries - Scala implementation of the Ctrie datastructure.
vinta/albedo - A recommender system for discovering GitHub repos, built with Apache Spark
typelevel/otel4s - An OpenTelemetry library for Scala based on Cats-Effect
scala-blitz/scala-blitz - Scala framework for efficient sequential and data-parallel collections -
sbt/sbt-protobuf - sbt plugin for compiling protobuf files
lightbend-labs/jardiff - A tool for comparing JAR files, including method bodies and Scala 2 pickled signatures
typelevel/sbt-typelevel - Let sbt work for you.
sirthias/swave - A lightweight Reactive Streams Infrastructure Toolkit for Scala.
sentenza/PureCSV - A type-safe and boilerplate-free CSV library for Scala
Log4s/log4s - High-performance SLF4J wrapper for Scala.
kitlangton/neotype - A friendly newtype library for Scala 3
ReactivePlatform/Pragmatic-Scala - Pragmatic Scala 中文版——《Scala实用指南》代码清单（包含 SBT 版本（切到sbt分支））
Ichoran/thyme - Thyme is a microbenchmark utility for Scala. It includes Parsley, a (simple) local profiling tool.
fwbrasil/bond - Type-level validation for Scala
djspiewak/anti-xml - The scala.xml library has some very annoying issues. Time for a clean-room replacement!
rjagerman/glint - Glint: High performance scala parameter server
pbassiner/sbt-multi-project-example - sbt multi-project example
pathikrit/sauron - Yet another Scala lens macro
linkedin/LiFT - The LinkedIn Fairness Toolkit (LiFT) is a Scala/Spark library that enables the measurement of fairness in large scale machine learning workflows.
folone/poi.scala - Excel meets scalaz
spotify/magnolify - A collection of Magnolia add-on modules
sjrd/scala-js-example-app - Example application built with Scala.js
propensive/kaleidoscope - Statically-checked inline matching on regular expressions in Scala
neotypes/neotypes - Scala lightweight, type-safe, asynchronous driver for neo4j
kxbmap/configs - Scala wrapper for Typesafe config
zio/zio-akka-cluster - ZIO wrapper for Akka Cluster
mariussoutier/PlayBasics - Example code for my tutorial series about Play Framework 2.x
KarelCemus/play-redis - Play framework 2 cache plugin as an adapter to redis-server
inca/circumflex - [UNMAINTAINED] Circumflex — lightweight Scala-based Web application framework and ORM
underscoreio/slickless - Support for shapeless HLists/Generics in Slick.
oleg-py/meow-mtl - Next Level MTL for Scala
jdegoes/lambdaconf-2014-introgame - Online material for the Introduction to Functional Game Programming with Scala workshop.
fthomas/singleton-ops - Operations for primitive and String singleton types
chandu0101/scalajs-react-components - Reusable scalajs-react components
storm-enroute/coroutines - Scala coroutines implementation.
scalajs-io/nodejs - This project provides Scala.js type-safe bindings for Node.js (current) v8.7.0 and LTS v6.11.4 APIs. The platform supports MEAN (MongoDB, Express, AngularJs, NodeJS), Cassandra, MySQL and many other npm projects.
scala-exercises/exercises-scalatutorial - Exercises for the "Functional Programming Principles in Scala", part of the FP in Scala specialized program by EPFL.
rockthejvm/scala-2-advanced - The Scala 2 version (old) of the Advanced Scala course
tpunder/fm-sbt-s3-resolver - SBT Plugin that adds support for resolving and publishing using Amazon S3
sstone/amqp-client - [THIS PROJECT HAS BEEN ARCHIVED AND IS NO LONGER MAINTAINED] Simple fault-tolerant AMQP client written in Scala and based on Akka and the RabbitMQ java client
pheymann/typedapi - Build your web API on the type level.
lucidsoftware/relate - Performant database access in Scala
scala-exercises/exercises-stdlib - Scala Exercises' lessons for the standard library
scala-records/scala-records - Labeled records for Scala based on structural refinement types and macros.
justin-db/JustinDB - ⚛️ JustinDB is a highly available globally distributed key-value data store.
theiterators/kebs - Scala library to eliminate boilerplate
maxpumperla/ScalphaGoZero - An independent implementation of DeepMind's AlphaGoZero in Scala, using Deeplearning4J (DL4J)
gkossakowski/kentuckymule - Limits of Scala typechecking speed
delorum/scage - game engine written in Scala
Chymyst/chymyst-core - Declarative concurrency in Scala - The implementation of the chemical machine
zio/zio-direct - Direct-Style Programming for ZIO
scala/scala-seed.g8 - Giter8 template for a simple hello world app in Scala.
playframework/play-scala-isolated-slick-example - Example Play Slick Project
vasnake/Principles-of-Reactive-Programming - Principles of Reactive Programming, Scala: assignments and other code from Coursera https://class.coursera.org/reactive-002
spray/spray-can - A low-overhead, high-performance, fully async HTTP 1.1 server and client library implemented entirely in Scala on top of Akka
Livestream/scredis - Non-blocking, ultra-fast Scala Redis client built on top of Akka IO, used in production at Livestream
gothinkster/scala-play-realworld-example-app - Exemplary real world application built with Scala 2.13 & Play
t3hnar/scala-bcrypt - Scala wrapper for jBcrypt + pom.xml inside
svroonland/rezilience - ZIO-native utilities for making resilient distributed systems
sparkling-graph/sparkling-graph - SparklingGraph provides easy to use set of features that will give you ability to proces large scala graphs using Spark and GraphX.
retronym/macrocosm - Exploration of Scala macros
regb/scala-game-library - Scala library for cross-platform 2D game development
ca-archived/aeromock - Lightweight mock web application server
bwmcadams/hammersmith - Pure asynchronous MongoDB Driver for Scala.
youzan/gatling-dubbo - A gatling plugin for running load tests on Apache Dubbo(https://github.com/apache/incubator-dubbo) and other java ecosystem.
schemasafe/troy - Type-safe and Schema-safe Scala wrapper for Cassandra driver
prnicolas/ScalaMl - Project, source code and data files for 1st edition "Scala for Machine Learning"
mybatis/scala - The Scala version of MyBatis SQL Mapper
zio/zio-query - Add efficient pipelining, batching, and caching to any data source
tofu-tf/typed-schema - Typelevel http service definition DSL
scala-chart/scala-chart - Scala Chart Library
oyvindberg/bleep - A bleeping fast scala build tool!
lihaoyi/Scalite - An experimental whitespace-delimited syntax for the Scala programming language
ElAlev/Wayeb - Wayeb is a Complex Event Processing and Forecasting (CEP/F) engine written in Scala.
lucidsoftware/neo-sbt-scalafmt - Scalafmt SBT plugin
krzemin/octopus - Scala library for boilerplate-free validation
stripe/dagon - Tools for rewriting and optimizing DAGs (directed-acyclic graphs) in Scala
coral-streaming/coral - Coral is a real-time analytics and data science platform. It transforms streaming events and extract patterns from data via RESTful APIs. Built on Scala, Akka, Cassandra and Spray.
bplawler/crawler - Scala DSL for web crawling
yawaramin/scala-modules - Experimental implementations of ML-style modules in Scala
lichess-org/lila-ws - Lichess' websocket server
davenverse/fuuid - Functional UUID's for Scala
acrosa/scala-redis - A scala library for connecting to a redis server, or a cluster of redis nodes using consistent hashing on the client side.
underscoreio/essential-macros - Examples of simple Scala Macros
sbt-jib/sbt-jib - sbt version of sbt jib: https://github.com/GoogleContainerTools/jib
Nutomic/ensichat - Project discontinued
mkotsur/aws-lambda-scala - Writing AWS Lambdas in Scala
miciek/grokkingfp-examples - All examples and exercises from the Grokking Functional Programming book
marklister/product-collections - A very simple, strongly typed, scala framework for tabular data. A collection of tuples. A strongly typed scala csv reader and writer. A lightweight idiomatic dataframe / datatable alternative.
51zero/eel-sdk - Big Data Toolkit for the JVM
sterglee/scalalab - ScalaLab: Efficient MATLAB like scientific computing for the Java platform with the current Scala 2.13. For Scala 3 the equivalent project is dottylab: https://github.com/sterglee/dottylab
oracle/wookiee - Scala based lightweight service framework using zookeeper, gRPC, and other popular technologies.
openmole/openmole - Workflow engine for exploration of simulation models using high throughput computing
mikeyhu/scaladiagrams - Generate class diagrams from scala source code
b-studios/scala-effekt - Extensible algebraic effects with handlers
TimWSpence/cats-stm - A STM implementation for Cats Effect
lihaoyi/hands-on-scala-js - Better documentation for Scala.js
ebowman/api-first-hand - API-First bootstrapping tool for building RESTful web services from a Swagger/OpenAPI spec
zio/zio-schema - Compositional, type-safe schema definitions, which enable auto-derivation of codecs and migrations.
yareally/android-scala-intellij-no-sbt-plugin - Directions on how to create a Scala based project in Intellij IDEA without having to resort to additional plugins or external building that cripples the nice features of the IDE.
xebia-functional/scala-android - Scala on Android Examples
scredis/scredis - Non-blocking, ultra-fast Scala Redis client built on top of Akka IO.
johanandren/futiles - The missing utils for working with Scala Futures
erikerlandson/coulomb - coulomb: unit analysis for Scala
zio/izumi-reflect - TypeTag without scala-reflect. Supports Scala 2 and Scala 3.
vagmcs/Optimus - Optimus is a mathematical programming library for Scala.
japgolly/test-state - Scala Test-State.
ingoem/scala-react - Scala.react is a reactive programming library for Scala.
crossroad0201/ddd-on-scala - DDD sample implementation by Scala.
scapegoat-scala/sbt-scapegoat - sbt plugin for scapegoat scala static analysis plugin
japgolly/clear-config - Scala FP configuration library with a focus on runtime clarity
chiselverify/chiselverify - A dynamic verification library for Chisel.
botkop/scorch - scorch is a deep learning framework in Scala inspired by PyTorch
zio/zio-aws - Low level ZIO interface for the full AWS
ucsc-vama/essent - high-performance RTL simulator
scalastyle/scalastyle-sbt-plugin - scalastyle-sbt-plugin
gaelrenoux/tranzactio - ZIO wrapper around Doobie and Anorm.
evolution-gaming/scala-bootcamp - Scala Bootcamp
xebia-functional/scala-days-android - Official Android app for Scala Days
parapet-io/parapet - A purely functional library to build distributed and event-driven systems
P7h/Spark-MLlib-Twitter-Sentiment-Analysis - 🌟 ✨ Analyze and visualize Twitter Sentiment on a world map using Spark MLlib
leanovate/play-mockws - Mock WS client for Play Framework
picnicml/doddle-model - 🍰 doddle-model: machine learning in Scala.
finagle/featherbed - Asynchronous Scala HTTP client using Finagle, Shapeless and Cats
archivesunleashed/aut - The Archives Unleashed Toolkit is an open-source toolkit for analyzing web archives.
VirtusLab/iskra - Typesafe wrapper for Apache Spark DataFrame API
Spinoco/fs2-http - Http Server and client using fs2
mandubian/neurocat - From neural networks to the Category of composable supervised learning algorithms in Scala with compile-time matrix checking based on singleton-types
com-lihaoyi/castor - Castor is a lightweight, typed Actor library for Scala and Scala.js
CodelyTV/scala-ddd-example - λ🎯 Hexagonal Architecture + DDD + CQRS applied in Scala using Akka HTTP
bokeh/bokeh-scala - Scala bindings for Bokeh plotting library
scala/scala-swing - Scala wrappers for Java's Swing API for desktop GUIs
RazorSh4rk/random-word-api - Simple scala rest api that serves random words
kitlangton/scala-update - Update your Scala dependencies interactively
fthomas/fs2-cron - FS2 streams based on cron expressions
xored/scala-js-react - ScalaJS interface for Facebook React
sief/play-guard - Play2 module for rate limiting, based on token bucket algorithm
plokhotnyuk/actors - Evaluation of API and performance of different actor libraries
julianpeeters/sbt-avrohugger - sbt plugin for generating Scala sources for Apache Avro schemas and protocols.
jasongoodwin/authentikat-jwt - JWT Scala Implementation - Claims based auth for Scala.
eed3si9n/treehugger - treehugger.scala is a library to code Scala programmatically.
zio/zio-cli - Rapidly build powerful command-line applications powered by ZIO
twitter/tormenta - Scala extensions for Storm
scalacenter/scalac-profiling - Compilation profiling tool for Scala 2 projects
paradigmatic/Configrity - Simple, immutable and flexible configuration library for scala.
lolgab/snunit - Scala Native HTTP server based on NGINX Unit
circe/circe-derivation - Fast type class instance derivation for Circe
plokhotnyuk/rtree2d - RTree2D is a 2D immutable R-tree for ultra-fast nearest and intersection queries in plane and spherical coordinates
jesseeichar/scala-io - Repository for work on Scala Standard Library I/O components
darrenjw/scala-course - Scala for Statistical Computing and Data Science Short Course
dwickern/scala-nameof - Get the name of an variable, function, class member, or type as a string--at compile-time!
dwhjames/datomisca - Datomisca: a Scala API for Datomic
Clustering4Ever/Clustering4Ever - C4E, a JVM friendly library written in Scala for both local and distributed (Spark) Clustering.
yahoo/maha - A framework for rapid reporting API development; with out of the box support for high cardinality dimension lookups with druid.
widok/widok - Reactive web framework for the JVM and Scala.js
scalafx/scalafx-ensemble - scalafx ensemble
mtkopone/scct - Scala Code Coverage Tool
jodersky/akka-serial - Reactive serial communication library for Akka and Scala.
blockchain-unica/blockapi - A general framework for blockchain analytics
Kanaka-io/play-monadic-actions - A simple scala DSL to allow clean and monadic style for Play! Actions
heathermiller/spores - Scala Spores, safe mobile closures.
ashwinbhaskar/functional-way - Write small programs (eg -algorithms) in a functional way.
SwissBorg/lithium - Lithium - A split-brain resolver for Akka-Cluster
nafg/slick-migration-api - Schema manipulation dialects and DSL for Slick
MemVerge/splash - Splash, a flexible Spark shuffle manager that supports user-defined storage backends for shuffle data storage and exchange
kogecoo/dl4j-examples-scala - [NO LONGER MAINTAINED] a simple scala porting of https://github.com/deeplearning4j/dl4j-examples
jleetutorial/scala-spark-tutorial - Project for James' Apache Spark with Scala course
GravityLabs/HPaste - HBase DSL for Scala with MapReduce support
chucheng92/SwordOffer - 🔥剑指offer题解（Java & Scala实现）
VladKopanev/cats-saga - Purely Functional Transaction Management In Scala With Cats
TyGuS/suslik - Synthesis of Heap-Manipulating Programs from Separation Logic
STHSF/TextRank - 基于PageRank的TextRank方法, 可以应用于中文关键词、短语、摘要提取程序，代码使用Scala编写。
sbt/sbt-jni - SBT Plugin to ease working with JNI
sbt/flyway-sbt - An sbt plugin for Flyway database migration
mDialog/scala-zeromq - Thread-safe ZeroMQ for Scala
hmil/RosHTTP - Unified Scala.js + Scala HTTP client API
henrikerola/scaladin - Scala API for Vaadin Framework
dwhjames/aws-wrap - Asynchronous Scala Clients for Amazon Web Services
xxxnell/flex - Probabilistic deep learning for data streams.
VirtusLab/besom - Besom - a Pulumi SDK for Scala. Also, incidentally, a broom made of twigs tied round a stick. Brooms and besoms are used for protection, to ward off evil spirits, and cleansing of ritual spaces.
loicdescotte/pureWebappSample - Minimal http4s + Doobie + ZIO + Circe Scala application to show how to build a purely functional web application in Scala.
hussachai/play-scalajs-showcase - Play+Scala.js Showcase
AnormCypher/AnormCypher - Neo4j Scala library based on Anorm in the Play Framework
Sergey80/scala-samples - There are pieces of scala code that explain Scala syntax and related things - like what you can do with all this
sbt/sbt-unidoc - sbt plugin to create a unified Scaladoc or Javadoc API document across multiple subprojects.
kitlangton/zio-app - Quickly create and develop full-stack Scala apps with ZIO and Laminar.
iheartradio/kanaloa - Make your service more resilient by providing protection against traffic oversaturation
GrahamLea/scala-spring-hibernate-maven-webapp - [ARCHIVED] Code for kickstarting a webapp using Scala + Spring + Hibernate + Maven + Selenium WebDriver PageObject Web Tests
ciren/cilib - Typesafe, purely functional Computational Intelligence
camunda/feel-scala - FEEL parser and interpreter written in Scala
alexkvak/teamcity-slack - TeamCity Slack plugin
Ahnfelt/react4s - Production ready React wrapper for Scala.js - composable lifecycle - no memoization, no macros, no implicits.
scalacenter/macros - Archived - Scala Macros
sbt/sbt-jacoco - an sbt plugin for JaCoCo Code Coverage
sameersingh/scalaplot - Library to plot graphs using a scala frontend, and various backends such as gnuplot, jfreegraph, matplotlib, etc.
microsoft/scala_torch - Scala bindings for LibTorch
exercism/scala - Exercism exercises in Scala.
epfl-lara/ScalaZ3 - DSL in Scala for Constraint Solving with Z3 SMT Solver
andyglow/scala-jsonschema - Scala JSON Schema
vert-x3/vertx-lang-scala - Vert.x for Scala
SidneyXu/JGSK - Java,Groovy,Scala,Kotlin 四种语言的特点对比
paulgoldbaum/scala-influxdb-client - Asynchronous InfluxDB client for Scala
joan38/kubernetes-client - A Kubernetes client for Scala
circe/circe-config - Yet another Typesafe config Scala wrapper powered by circe
MasseGuillaume/ScalaKata - Moved
ktonga/reactive-turtle - Scala and Akka for kids. A Functional Programming approach for the well known LOGO.
harana/search - Search everything, instantly.
guillaumebort/scasm - A a dynamic x86_64 assembler in Scala — Code for the live coding session @ Devoxx france 2016
foundweekends/pamflet - a publishing application for short texts
eed3si9n/gigahorse - Gigahorse is an HTTP client for Scala with multiple backend support.
ashwinbhaskar/scala-to-dotty - Dotty way of writing Scala 2 code
alonsodomin/cron4s - Cross-platform CRON expression parsing for Scala
zalando/beard - A lightweight, logicless templating engine, written in Scala and inspired by Mustache
softwaremill/scala-common - Tiny independent libraries with a single purpose, often a single class
nraychaudhuri/scalainaction - Code examples from scala in action book
bsadeh/scalastic - scala driver for elasticsearch
47degrees/scalacheck-toolbox - A helping hand for generating sensible data with ScalaCheck
underscoreio/essential-scala - Source code for Underscore's Essential Scala
sonar-scala/sonar-scala - A free and open-source SonarQube plugin for static code analysis of Scala projects.
scala-lms/tutorials - Tutorials on Lightweight Modular Staging
lightbend-labs/scala-sculpt - Dependency extraction for Scala codebases, to aid in modularizing
julienrf/scalm - Elm-inspired Scala library for writing web user interfaces
gonmarques/slick-repo - CRUD Repositories for Slick based persistence Scala projects.
ekrich/sconfig - Scala configuration library supporting HOCON for Scala, Java, Scala.js, and Scala Native
bowler-framework/Bowler - RESTful Web Framework based on Scala, built on top of Scalatra & Scalate
alexarchambault/ammonite-spark - Run spark calculations from Ammonite
typelevel/spotted-leopards - Proof of concept for a cats-like library built using Dotty features
ohnosequences/sbt-s3-resolver - ☁️Amazon S3-based resolver for sbt
sbrunk/storch - GPU accelerated deep learning and numeric computing for Scala 3.
rladstaetter/LogoRRR - A simple and straightforward log viewer that displays the events of interest in a clear and concise visual manner so that you can identify them faster.
meetuparchive/archery - 2D R-Tree implementation in Scala
armanbilge/calico - Pure, reactive UI library for Scala.js
scalasummerschool/lectures - Learn Functional Programming in Scala
okumin/akka-persistence-sql-async - A journal and snapshot store plugin for akka-persistence using RDBMS.
mmolimar/kukulcan - A REPL for Apache Kafka
JohnReedLOL/scala-trace-debug - Macro based print debugging. Locates log statements in your IDE.
ing-bank/scruid - Scala + Druid: Scruid. A library that allows you to compose queries in Scala, and parse the result back into typesafe classes.
vmunier/akka-http-scalajs.g8 - Giter8 template to get started with Akka HTTP and Scala.js.
Thangiee/Freasy-Monad - Easy way to create Free Monad using Scala macros with first-class Intellij support.
criteo/cuttle - An embedded job scheduler.
zio/zio-telemetry - ZIO-powered OpenTelemetry library
dyweb/scrala - Unmaintained 🐳 ☕ 🕷️ Scala crawler(spider) framework, inspired by scrapy, created by @gaocegege
scala/scala-collection-contrib - community-contributed additions to the Scala 2.13 collections
Katrix/AckCord - A Discord library for Scala using Akka
gzoller/ScalaJack - Fast JSON parser/generator for Scala
evolution-gaming/kafka-journal - Event sourcing journal implementation using Kafka as main storage
abbruzze/kernal64 - A Scala Commodore 64, 128, VIC20, CBM2 and SuperCPU emulator
mwunsch/handlebars.scala - A Scala implementation of the Handlebars templating language (a superset of Mustache).
crobox/clickhouse-scala-client - Clickhouse Scala Client with Reactive Streams support
ACINQ/bitcoin-lib - Simple bitcoin library written in Scala
tethys-json/tethys - AST free JSON library for Scala
smart-data-lake/smart-data-lake - Smart Automation Tool for building modern Data Lakes and Data Pipelines
scalacenter/scala3-migrate - A tool to help migrating from Scala 2 to Scala 3
playframework/scalatestplus-play - ScalaTest + Play
lloydmeta/diesel - Boilerplate-free, zero-overhead Tagless Final / typed-final / Finally Tagless DSLs in Scala
jsuereth/scala-in-depth-source - The source code for the Scala In Depth book.
fancellu/scalajs-vue - Scala.js bindings for Vue.js and an example application
zenecture/neuroflow - Artificial Neural Networks for Scala
sbt/sbt-boilerplate - sbt plugin for generating scala.Tuple/Function related boilerplate code
inoio/solrs - An async, non-blocking solr client for java/scala, providing a query interface like SolrJ
debasishg/frdomain-extras - Additional accompaniment to Functional and Reactive Domain Modeling
davidB/scala-archetype-simple - a simple maven archetype for project in scala
bobye/neuron - Scala library for neural networks
bioscala/bioscala - Bioinformatics for the Scala programming language
agemooij/sbt-prompt - An SBT plugin for making your SBT prompt more awesome
roboscala/sbt-robovm - An sbt plugin for iOS development in Scala
nuttycom/xenomorph - Scala library for free applicative schemas capable of parsing/rendering sums-of-products data structures.
carueda/tscfg - Boilerplate-free, type-safe access to configuration properties in Java and Scala
stephentu/scala-sql-parser - SQL parser written using Scala's parser combinator library
sparsetech/pine - Functional HTML5 and XML library for the Scala platform
scalawarrior/scalawarrior - Game written in Scala for learning Scala.
scalameta/metabrowse - Static site generator for code search with IDE features for Scala
scala-jsonapi/scala-jsonapi - Scala support library for integrating the JSON API spec with Spray, Play! or Circe
scala-ide/scala-ide-play2 - Play 2 support for Scala IDE
scala-exercises/exercises-cats - Scala Exercises' lessons for the Cats library
lihaoyi/scala-js-games - Some simple games ported to Scala-Js
Kirill5k/mongo4cats - MongoDB Java client wrapper for Cats Effect & FS2 and ZIO
ITV/scala-pact - A Scala implementation of CDC using the Pact standard
holdenk/spark-validator - A library you can include in your Spark job to validate the counters and perform operations on success. Goal is scala/java/python support.
chenkelmann/actuarius - A markdown processor for the JVM written in Scala.
sisioh/scala-dddbase - Scala Library for Domain Driven-Design
shadaj/scala-native-wasm - Running Scala in WebAssembly through Scala Native
sake92/hepek - Typesafe HTML templates and static site generator in pure Scala
monix/shade - Memcached client for Scala
microsoft/Azure-Databricks-NYC-Taxi-Workshop - An Azure Databricks workshop leveraging the New York Taxi and Limousine Commission Trip Records dataset
magarciaEPFL/scaladotnet - Scala SDK (compiler and standard library) for .NET
gideondk/Raiku - A non-blocking - Akka IO driven - Riak client for Scala with a cute DSL
fernandoracca/skeleton - Simple Scala project template
suzaku-io/suzaku - Suzaku web UI framework for Scala
OndraFiedler/spark-recommender - Scalable recommendation system written in Scala using the Apache Spark framework
hanabix/config-annotation - A refactor-friendly way to use typesafe's config by scala macro annotation
backuity/clist - Command Line Interface Scala Toolkit
apache/sedona - A cluster computing framework for processing large-scale geospatial data
tkawachi/sbt-doctest - Doctest for scala
flyway/flyway-sbt - Flyway SBT plugin
marcuslonnberg/sbt-docker - Create Docker images directly from sbt
crealytics/spark-excel - A Spark plugin for reading and writing Excel files
quaich-project/quaich - Scala Serverless Microframework for AWS Lambda, inspired by Amazon's Chalice (https://github.com/awslabs/chalice)
tpolecat/doobie - Functional JDBC layer for Scala.
EmergentOrder/onnx-scala - An ONNX (Open Neural Network eXchange) API and backend for typeful, functional deep learning and classical machine learning in Scala 3
spaced/scala-js-d3 - d3 facade types for Scala.js
Colisweb/scala-opentracing - A tracing library for Cats and Http4s, tailored for Opentracing tracers like Datadog and Jaeger
EffectOrientedProgramming/book - Effect-Oriented Programming: Creating Reliable Systems with Scala 3 and ZIO 2
scoverage/sbt-coveralls - sbt-plugin to upload sbt-scoverage reports to coveralls
johnynek/inliner - scala macros to inline idiomatic scala for maximum performance
aishfenton/Argus - Builds models from JSON Schemas
vspiewak/twitter-sentiment-analysis - Streaming tweets with spark, language detection & sentiment analysis, dashboard with Kibana
lightbend/mima - A tool for catching binary incompatibility in Scala
swagger-api/swagger-scala-module - Swagger support for scala
sksamuel/elastic4s - Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client
apache/incubator-pekko - Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala
lloydmeta/schwatcher - File-watching library for Scala. Built on Java 7's WatchService, RxScala and Akka actors.
lampepfl/dotty - The Scala 3 compiler, also known as Dotty.
aloiscochard/scato - An exploration of purely functional library design in Scala.
scullxbones/akka-persistence-mongo - Implementation of akka-persistence storage plugins for mongodb
PaytmLabs/akka-batteries - Utilities for Akka cluster in production
longevityframework/longevity - A Persistence Framework for Scala and NoSQL
krasserm/akka-stream-eventsourcing - Event sourcing for Akka Streams
hempalex/scala-impatient - My solutions for "Scala for the Impatient" exercises
tristanjuricek/knockoff - A Markdown parser + object model in scala
fralken/sbt-swagger-codegen - sbt Plugin for Scala code generation for Swagger specs
openlawteam/openlaw-core - Shared Scala libraries for the OpenLaw project.
lk-geimfari/awesomo - Cool open source projects. Choose your project and get involved in Open Source development now.
polynote/uzhttp - Minimal HTTP server for Scala+ZIO
47degrees/nine-cards-v2 - An Open Source Android Launcher built with Scala on Android
47degrees/scala-android - Scala on Android Examples
47degrees/scala-days-android - Official Android app for Scala Days
lampepfl/async - A strawman for a low-level async library in Scala 3
SmartBackpacker/core - FP Scala Back-end of the Smart Backpacker App
lunatech-labs/lunatech-scala-2-to-scala3-course - Lunatech course - "Moving forward from Scala 2 to Scala 3"
Orkestra-Tech/orkestra - Functional DevOps with Scala and Kubernetes
MasseGuillaume/ScalaKata2 - Interactive Playground
swaldman/sbt-ethereum - An sbt-based solidity / scala development environment, and general command-line power tool, for Ethereum.
outworkers/morpheus - Reactive type-safe Scala driver for SQL databases
planet42/Laika - Site and E-book Generator and Customizable Text Markup Transformer for sbt, Scala and Scala.js
sjrd/scala-js-actors - Actor system for Scala.js
kclay/rethink-scala - Scala Driver for RethinkDB
47degrees/fetch - Simple & Efficient data access for Scala and Scala.js
vigoo/prox - A Scala library for working with system processes
tpolecat/skunk - A data access library for Scala + Postgres.
tpolecat/natchez - functional tracing for cats
fwbrasil/kyo - Algebraic effects for Scala 3
xuwei-k/sbt-class-diagram - sbt plugin to create a class diagram
chipsalliance/chisel3 - Chisel 3: A Modern Hardware Design Language
wix/accord - Accord: A sane validation library for Scala
jrudolph/akka-http-scala-js-websocket-chat - An example app that integrates akka-http and scala-js to implement a websocket chat
scala/community-build - Scala 2 community build — a corpus of open-source repos built against Scala nightlies
pbugnion/s4ds - Code samples for Scala for data science
gphat/wabisabi - Scala Asynchronous ElasticSearch HTTP Client
HouzuoGuo/schale - A subprocess interface for Scala
schmitch/sbt-jib - sbt version of sbt jib: https://github.com/GoogleContainerTools/jib
rudogma/scala-supertagged - Unboxed (multi-nested-)tagged + unboxed newtypes. Better and much friendlier alternative to AnyVals.
ua-parser/uap-scala - Scala port of ua-parser
scalafiddle/scalafiddle-editor - Web user interface for ScalaFiddle
scalacenter/advisoryboard - Scala Center Advisory Board planning
kailuowang/mainecoon - Transform and compose tagless final encoded algebras in scala
btlines/pbdirect - Read/Write Scala objects directly to Protobuf with no .proto file definitions
scala-ide/scala-worksheet - A Scala IDE plugin for a multi-line REPL (called worksheet)
scala/jardiff - A tool for comparing JAR files, including method bodies and Scala 2 pickled signatures
mgonto/factory_pal - A Scala framework for creating objects as test data. Say no to Mocks
denisrosset/metal - Metal - fast unboxed data structures for Scala
jcazevedo/moultingyaml - Scala wrapper for SnakeYAML
neysofu/tyche - Statistics utilities for the JVM - in Scala!
propensive/fury - A new build tool for JVM languages
scalan/scalan - Generic framework for development of domain-specific compilers in Scala
rklaehn/radixtree - A fast and generic immutable radix tree for scala
bfil/scala-automapper - Hassle-free case class mapping!
Stratio/khermes - A distributed fake data generator based in Akka.
gnieh/fs2-data - streaming data parsing and transformation library
scala/scala-module-dependency-sample - Depend on Scala modules like a pro
rorygraves/ScalaClean - Full program static analysis for Scala
JetBrains/intellij-scala-bundle - IntelliJ Scala Bundle - get started with Scala in a single click!
lendup/fs2-blobstore - Minimal, idiomatic, stream-based Scala interface for key/value store implementations
tonyskn/coursera-scala - My solutions to Coursera's "Functional Programming in Scala"
lightbend/scala-logging - Convenient and performant logging library for Scala wrapping SLF4J.
dream11/zio-http - A scala library to write Http apps.
lightbend/scala-sculpt - Dependency extraction for Scala codebases, to aid in modularizing
jvican/sbt-release-early - Opinionated sbt plugin to release your artifacts early, both on merge and via git tag.
criteo/lolhttp - An HTTP Server and Client library for Scala.
w11k/scalamodules - ScalaModules is an elegant and intuitive domain specific language for OSGi development written in the Scala programming language.
takezoe/solr-scala-client - Solr Client for Scala
dunnololda/scage - game engine written in Scala
bmc/classutil - Scala-friendly, fast class-finder library (using ASM under the covers)
KyleU/boilerplay - Using the latest technology in the Scala ecosystem, Boilerplay is a reactive web application built on Play Framework, ScalaJS, Silhouette, Sangria/GraphQL, and PostgreSQL. It provides a good starting point for whatever you want to build.
DavidGregory084/sbt-tpolecat - scalac options for the enlightened
NewMotion/akka-rabbitmq - RabbitMq client in Scala and Akka actors
Tinkoff/typed-schema - Typelevel http service definition DSL
CyberAgent/aeromock - Lightweight mock web application server
NewMotion/ocpp - Open Charge Point Protocol
meetup/archery - 2D R-Tree implementation in Scala
compstak/KafkaStreams4s - Kafka Streams for Scala. Integrates KafkaStreams with the cats-effect ecosystem
vivri/Adjective - Programming is an exercise in linguistics; spice-up Scala types with Adjective.
ornicar/scalex - [abandoned] Hoogle-like documentation search engine, for scala
mikolak-net/travesty - Diagram- and graph-generating library for Akka Streams
bmc/grizzled-scala - A general-purpose library of miscellaneous stuff for Scala.
vigoo/scalafxml - Bridging the gap between scalafx and FXML with generated proxies
sirthias/scala-benchmarking-template - SBT template project for creating Scala (micro-)benchmarks based on Caliper
shadaj/scalapy - Use the world of Python from the comfort of Scala!
47degrees/sbt-microsites - An sbt plugin to create awesome microsites for your project
melrief/PureCSV - A type-safe and boilerplate-free CSV library for Scala
mefellows/sbt-dotenv - Simple Dotenv implementation for Scala SBT Builds. Configures environment for local development.
politrons/reactiveScala - Example of Features, Reactive and Pure functional programing in Scala
ornicar/lila - ♞ lichess.org: the forever free, adless and open source chess server ♞
ornicar/scalachess - Chess API written in scala. Immutable and free of side effects.
scala-tsi/scala-tsi - Generate typescript interfaces from your scala classes
rklaehn/abc - Array-based immutable collections for scala
akisaarinen/rillit - Boilerplate-free Functional Lenses for Scala 2.10
TinkoffCreditSystems/typed-schema - Typelevel http service definition DSL
daviddenton/fintrospect - Implement fast, type-safe HTTP webservices for Finagle
djspiewak/extreme-cleverness - A set of functional collections created, ported and modified for my tak at NE Scala 2011
runarorama/Malakov - Markov Chains for Scala
getquill/quill - Compile-time Language Integrated Queries for Scala
streamxhub/streamx - Make Flink|Spark easier!!! The original intention of StreamX is to make the development of Flink easier. StreamX focuses on the management of development phases and tasks. Our ultimate goal is to build a one-stop big data solution integrating stream processing, batch processing, data warehouse and data laker.
maxcellent/lamma - Lamma schedule generator for Scala is a professional schedule generation library for periodic schedules like fixed income coupon payment, equity deravitive fixing date generation etc.
polynote/polynote - A better notebook for Scala (and more)
potigol/Potigol - Linguagem Potigol - Linguagem de programação funcional moderna para iniciantes - A Functional Programming Language for Beginners
xdotai/diff - Visually compare Scala data structures with out of the box support for arbitrary case classes.
reibitto/command-center - A CLI-based launcher and general productivity tool.
scala-js/scala-js-java-time - Scala.js implementation for java.time in JDK8
agemooij/riak-scala-client - An easy to use, non-blocking, fast Scala client library for interacting with Riak.
AtomicScala/atomic-scala-examples - Examples from the book "Atomic Scala" 2nd Edition by Bruce Eckel & Dianne Marsh
intel-analytics/BigDL - BigDL: Distributed Deep Learning Framework for Apache Spark
sksamuel/pulsar4s - Idiomatic, typesafe, and reactive Scala client for Apache Pulsar
travisbrown/type-provider-examples - Macro-based type providers for Scala (examples)
scala/scala-continuations - the Scala delimited continuations plugin and library

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