scalapb-json/scalapb-playjson   0.18.0

Json/Protobuf convertors for ScalaPB use play-json

gnieh/diffson   4.6.0

A scala diff/patch library for Json

ngs-doo/dsl-json   2.0.2

High performance JVM JSON library

andyglow/scala-jsonschema   0.7.11

Scala JSON Schema

tototoshi/play-json-naming   1.5.0

Custom naming convention for play-json to map snake_case json to camelCase case classes

circe/circe-json-schema   0.2.0

JSON Schema validation for Circe

eclipsesource/play-json-schema-validator   0.9.4

JSON Schema Validation with Play JSON

argonaut-io/argonaut   6.3.10

Purely functional JSON parser and library in scala.

shogowada/scala-json-rpc   0.9.3

Let your servers and clients communicate over function calls! JSON-RPC 2.0 library for Scala and Scala.js

fthomas/crjdt   0.0.7

A conflict-free replicated JSON datatype (CRDT) in Scala

jvican/dijon   0.6.0

A Dynamically Typed Scala Json Library

pjfanning/pekko-http-json   3.2.0

Integrate some of the best JSON libs in Scala with Pekko HTTP

aishfenton/argus   0.2.7

Builds models from JSON Schemas

avdv/play-json-refined   0.6.1

Play JSON Reads/Writes instances for refined types

plokhotnyuk/jsoniter-scala   2.36.3

Scala macros for compile-time generation of safe and ultra-fast JSON codecs + circe booster

aparo/play-json-extra   2.4.3

Play Json Extra extends Play Json with several opinionated features

meetuparchive/json-slim   0.1.1

make your JSON look good in those skinny jeans