getkyo/kyo   0.19.0

Toolkit for Scala Development

shadaj/slinky   0.7.5

Write Scala.js React apps just like you would in ES6

bkirwi/decline   2.5.0

A composable command-line parser for Scala.

sksamuel/avro4s   5.0.14

Avro schema generation and serialization / deserialization for Scala

tototoshi/scala-csv   2.0.0

CSV Reader/Writer for Scala

digital-asset/daml   100.13.55

The Daml smart contract language

sbt/sbt-release   1.4.0

A release plugin for sbt

scoverage/sbt-scoverage   2.3.1

sbt plugin for scoverage

testcontainers/testcontainers-scala   0.43.0

Docker containers for testing in scala

com-lihaoyi/upickle   4.2.1

uPickle: a simple, fast, dependency-free JSON & Binary (MessagePack) serialization library for Scala

h2oai/sparkling-water   2.4.13

Sparkling Water provides H2O functionality inside Spark cluster

suzaku-io/diode   1.1.14

Scala library for managing immutable application model

wvlet/airframe   2025.1.14

Essential Building Blocks for Scala

chandu0101/sri   0.5.0

Build truly native cross platform (web,ios,android) apps using scalajs and react, react-native ,This project moved to new organization : https://github.com/scalajs-react-interface/sri#sri, new chat room : https://gitter.im/scalajs-react-interface/sri

rbmhtechnology/eventuate   0.10

Global-scale event sourcing and event collaboration with causal consistency (This project is in maintenance mode. Only critical bugs will be fixed, but there is no more feature development.).

7mind/izumi   1.4.4

Productivity-oriented collection of lightweight fancy stuff for Scala toolchain

frees-io/freestyle   0.8.2

A cohesive & pragmatic framework of FP centric Scala libraries

gearpump/gearpump   0.9.0

Lightweight real-time big data streaming engine over Akka

hseeberger/akka-http-json   1.39.2

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

kaitai-io/kaitai_struct_compiler   0.10

Kaitai Struct: compiler to translate .ksy => .cpp / .cs / .dot / .go / .java / .js / .lua / .nim / .php / .pm / .py / .rb