druid-virtual-columns

druid-thrift-extensions

Druid emitter extension to support ambari metrics server

Druid emitter extension to support kafka

Aggregators for the approximate quantile moment sketch

Druid extension for generating tdigest backed sketches

influxdb-emitter

Extension to support the autoscaling in GCE

Extension support for collecting Druid metrics with Prometheus

Extension support for emitting OpenTelemetry spans for Druid queries