A HAL toolkit based on Play-JSON

Elasticsearch Scala Client - Non Blocking, Type Safe, Reactive HTTP Client

UPickle marshalling for spray.io

RequireJs optimizer plugin for sbt-web

AMQP data source for dstream (Spark Streaming)

A scala implementation of the Lightning Network.

ESHQ client library for Scala

Json serialization for OMG Tool-Interoperability API for OMG-compliant UML 2.5 & later

Plain GeoJSON data structures

scala request json library

Jackson support for Akka HTTP

light and tight handlebar grips for scala types

Kotlin 'parse not validate'