Libraries

Ruby

• ROAR
• Cetacean
• excon-hypermedia
• Frenetic
• Hyperclient
• halidator
• halibut
• hactor
• HyperResource
• Jsonite
• Yaks
• HalClient
• Oat
• Halogen
• HALPresenter
• ShafClient
• Shaf

Python

• ripozo
• PythonHAL
• Cetacean
• Dougrain
• hal-python
• REST Navigator
• Representor
• rivr-rest - Library for building REST APIs
• Flask-HAL - Flask Web Framework Extension
• halogen - Python HAL generation/parsing library
• coreapi - HAL client library & HAL generation.

JavaScript

• backbone.hal
• gomoob/backbone.hateoas
• RePoChO/backbone.hateoas
• halbert
• halberd
• JS HAL
• hateoas-client
• hyperagent.js
• Traverson
• Ember.js Data HAL Adapter
• HALSON
• hal-body
• koa-hal
• angular-hal
• angular-hy-res
• halacious for node/hapi
• rest.js (from the cujo toolkit)
• angular-hypermedia
• hybind
• Ketting - A simple typescript HAL client for browsers and node.js
• hal-browser - A middleware for API servers to turn HAL resources into pretty HTML UI's.
• halboy
• ngx-hal - Angular datastore library with HAL support
• simple-hal-client - A simple typescript HAL(-FORMS) client built on top of Request API.
• ngx-hal-client - GitHub - An Angular client to consume HAL and HAL-Forms APIs.
• ngx-restworld-client - GitHub - An Angular client to interact with a RESTworld API using HAL and HAL-Forms.

PHP

• jmeyering\hal-explorer - Fully featured HAL client. Get, Create, Update, and Delete resources.
• Stormsys\SimpleHal - Easy to use PHP library for consuming Hal API's (Hal Client)
• Zircote Hal - Generate HAL Resources
• Nocarrier\Hal - Generate HAL Resources
• Level3 Resource - Generate and Consume HAL Resources
• Hateoas - Generate HAL Resources
• Ekino\HalClient - Client to HAL API
• TomPHP\HalClient - Client for Navigating HAL APIs
• NilPortugues\HAL Transformer - Given an object and a mapping, generate a HAL+JSON or HAL+XML Resource.
• NilPortugues\Symfony\HalJsonBundle - Generate HAL+JSON resources using Symfony 2 and Symfony 3 frameworks.
• NilPortugues\Laravel5\HalJson - Generate HAL+JSON resources using Laravel 5.
• SlimPay\hapiclient - An HTTP client implementing HAL
• Jsor\HalClient - A lightweight client for consuming and manipulating Hypertext Application Language (HAL) resources
• MKHAL - HAL generator and object realization of specification

Hack

• Ytake\Hhypermedia - Hypertext Application Language for HHVM/Hack / Generate HAL Resources

C-Sharp

• Tavis.Hal
• halclient
• WCF Media Type Formatter
• WebApi.Hal
• HalClient.Net - A library that simplifies interaction with API's that respond with the application\hal+json media type.
• PointW.WebApi.ResourceModel - Model resources without thinking about media type, configure formatters, including HAL, separately (plus more media types coming soon).
• Nancy.Hal - Adds HAL+JSON support to Nancy.
• HalKit
• Halcyon
• HoneyBear.HalClient - A lightweight fluent .NET client for navigating and consuming HAL APIs.
• HAL - Allows working with HAL in ASP.Net Core as server and offers a client to interact with a HAL API too.
• RESTworld - Builds on HAL to offer easy to use CRUD style APIs and clients to use these APIs.

Kotlin

• HALSpeL - The wrapper around Fuel library to expose as HAL Resources.

Java

• edison-hal - Library for client- and server-side support of HAL APIs including support for curies and deeply nested embedded items. Includes a 'Traverson' to traverse a graph of hal+json resources.
• hate - HATEOAS with HAL for Java by serializing your Java models into HAL JSON.
• halbuilder-java - Design and consume reusable and navigable REST APIs.
• Spring HATEOAS - Enable ResourceSupport subtypes to be rendered according to the specification of various hypermedia representations types incl. HAL.
• halarious - Serialize and deserialize Java classes to JSON following the HAL specification using annotations; library is based on GSON.
• HyperExpress-HAL - Add hypermedia links to your domain models or DTOs before serializing them to clients.
• hapiclient - An HTTP client implementing HAL.
• katharsis - Add an additional layer on top of RESTful endpoint to provide HATEOAS for Java based on JSON API standard.
• jackson-dataformat-hal - A Jackson data format extension to support serializing and deserialing HAL formatted JSON.
• swagger-hal - A module for Swagger to generate a correct OpenAPI specification when using the jackson-dataformat-hal extension.
• Bowman - A model-mapping HAL client with transparent link traversal.
• halo - A library for building HAL representations that does not use automatic mapping and annotations, but takes a functional approach.
• HALSpeL - The Kotlin wrapper around Fuel library to expose as HAL Resources. It can be used from Java without overhead (samples included)

Scala

• halbuilder-scala - Scala extensions for HalBuilder.
• akka-http-hal - HAL Specification support library for akka-http.

Swift

• Representor
• Hyperdrive
• HypertextApplicationLanguage
• SwiftyTraverson

Objective-C

• HyperBek
• Mantle-HAL
• ObjectiveHAL

Eiffel

• Eiffel HAL

Clojure

• halboy
• halresource

Go

• halgo
• hal
• go2hal

Rust

• rust-hal

Elixir

• exhal

Groovy

• HALSpeL - The Kotlin wrapper around Fuel library to expose as HAL Resources. It can be used from Groovy (samples included)

Tools

• HAL Browser
• JSON Schema
• Example/Test Documents
• Command line client - Core API command line client. Supports various hypermedia, including HAL.