json4s/json4s

A single AST to be used by other scala json libraries

non/jawn

Jawn is for parsing jay-sawn (JSON)

spray/spray-json

A lightweight, clean and simple JSON implementation in Scala

gnieh/diffson

A scala diff/patch library for Json

skinny-framework/skinny-micro

:microphone: Micro Web framework to build Servlet applications in Scala, the core part of Skinny Framework 2

julienrf/play-json-derived-codecs

jto/validation

validation api extracted from play

ovotech/kafka-serialization

Lego bricks to build Apache Kafka serializers and deserializers

mdedetrich/scalajson

ScalaJSON - JSON for Scala, currently contains minimal AST

xuwei-k/httpz

purely functional http client with scalaz.Free

pathikrit/dijon

A Dynamically Typed Scala Json Library

agourlay/cornichon

Scala DSL for testing HTTP JSON API

busymachines/busymachines-commons

Commons to help build HTTP web apps in a principled way

msgpack4z/msgpack4z-circe

msgpack4z circe binding / msgpack.org[Scala.js]

xuwei-k/pj

a pajama party for your json strings and streamers

edadma/bittydb

a small embeddable database engine for the JVM for storing documents (i.e. JSON objects)

christian-schlichtherle/fun-io

Fun I/O provides functional, high level abstractions for codecs, sources, sinks, stores, archives, filters, sockets et al.

howardjohn/scanamo-json

Scanamo DynamoFormat for popular Scala Json libraries

47deg/lambdatestcapture

Capture test output from LambdaTest

wellfactored/play-bindings

Convenient tools for creating Play JSON formatters and url binders for value classes