ghostdogpr/proteus   0.3.3

Code-first Protobuf and gRPC library for Scala

kubukoz/slick-effect   0.6.1

Making Slick more functional with cats-effect.

jetbrains/sbt-structure   2026.1.5

SBT plugin to collect information about project structure

xuwei-k/unused-code   0.5.5

find and remove unused scala code

openmole/mgo   3.67

Purely functional genetic algorithms for multi-objective optimisation

polyvariant/sttp-oauth2   0.20.0

OAuth2 client library implemented in Scala using sttp

typelevel/coop   1.3.0

Cooperative multithreading as a pure monad transformer

kurrent-io/eventstore.akka.persistence   8.0.0

Event Store Journal for Akka Persistence

davenverse/mules   0.7.0

Caches are tricky - Let Mules Haul its Weight.

carueda/tscfg   1.2.5

Schema-first, boilerplate-free, type-safe access to configuration properties in Java and Scala

dacr/jassh   1.1.1

High level scala SSH API for easy and fast operations on remote servers.

japgolly/scalajs-benchmark   0.10.0

Benchmarks: write in Scala or JS, run in your browser. Live demo:

scalqa/scalqa   1.0

Scala Quick API

sbt/contraband   0.8.0

http://www.scala-sbt.org/contraband/

typelevel/twiddles   0.9.0

Micro-library for building effectful protocols

dfianthdl/dfhdl   0.18.0

DFiant HDL (DFHDL): A Mutli-abstraction Hardware Descripition Language and Framework

vitaliihonta/zio-temporal   0.7.8

Build invincible apps with ZIO and https://temporal.io

com-lihaoyi/geny   1.1.1

Provides the geny.Generator data type, the dual to a scala.Iterator that can ensure resource cleanup

jetbrains/sbt-ide-settings   1.1.4

SBT plugin for tweaking various IDE settings