rssh/scala-gopher

Implementation of CSP constructions (Communication Sequence Process, i.e. go-like channels) in scala

travisbrown/iteratee

Iteratees for Cats

julienrf/play-json-derived-codecs

comcast/ip4s

Defines immutable, safe data structures for describing IP addresses, multicast joins, socket addresses and similar IP & network related data types

danielasfregola/random-data-generator

Random generator of test data in Scala based on Scalacheck and Shapeless

japgolly/scala-graal

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

monix/minitest

The super light testing library for Scala and Scala.js

djspiewak/shims

Seamless interop layer between cats and scalaz

scala/scala-collection-compat

makes some Scala 2.13 APIs (primarily collections, also some others) available on 2.11 and 2.12, to aid cross-building

japgolly/nyaya

Random Data Generation and/or Property Testing in Scala & Scala.JS.

typelevel/paiges

an implementation of Wadler's a prettier printer

typelevel/cats-parse

A parsing library for the cats ecosystem

sirthias/borer

Efficient CBOR and JSON (de)serialization in Scala

log4s/log4s

High-performance SLF4J wrapper for Scala.

fthomas/singleton-ops

Operations for primitive and String singleton types

augustjune/canoe

Functional Telegram Bot API for Scala

jvican/dijon

A Dynamically Typed Scala Json Library

oleg-py/meow-mtl

Next Level MTL for Scala

zio/zio-config

Easily use and document any config from anywhere in ZIO apps

com-lihaoyi/pprint

Pretty-printing value, types and type-signatures in Scala