stryker-mutator/stryker4s   0.18.0

Mutation testing for Scala

scala-ts/scala-ts   0.7.1

:wrench: Scala datamodel transpiler

avast/scala-server-toolkit   0.19.0

Functional programming toolkit for building server applications in Scala.

thoughtworksinc/compute.scala   0.4.3

Scientific computing with N-dimensional arrays

j-mie6/parsley   4.6.1

A fast and modern parser combinator library for Scala

kenbot/goggles   1.0

Pleasant, yet principled Scala optics DSL

maif/otoroshi   17.4.0

Lightweight api management on top of a modern http reverse proxy

alephium/alephium   4.0.0

Reference client for Alephium protocol

japgolly/scala-graal   2.1.0

Make usage of Graal features easy and safe from Scala. Also features Scala-based React SSR.

dotty-cps-async/dotty-cps-async   0.9.23

experimental CPS transformer for dotty

liancheng/scalafix-organize-imports   0.6.0

A CI-friendly Scalafix semantic rule for organizing imports

jto/validation   2.1.3

validation api extracted from play

typelevel/cats-effect-testing   1.6.0

Integration between cats-effect and test frameworks

slack-scala-client/slack-scala-client   1.0.1

A scala library for interacting with the slack api and real time messaging interface

trace4cats/trace4cats   0.14.7

Distributed app tracing implementation in pure scala using cats-effect

lightbend/kafka-streams-scala   0.2.1

Thin Scala wrapper around Kafka Streams Java API

softwaremill/kmq   0.3.2

Kafka-based message queue

typelevel/otel4s   0.13.1

An OpenTelemetry library for Scala based on Cats-Effect

typelevel/paiges   0.4.4

an implementation of Wadler's a prettier printer

lastland/scala-forklift   0.3.2

Type-safe data migration tool for Slick, Git and beyond.