scala/scala-collection-compat   2.12.0

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

rssh/scala-gopher   4.0.4

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

input-output-hk/scrypto   3.0.0

Cryptographic primitives for Scala

japgolly/scala-graal   2.1.0

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

typelevel/shapeless-3   3.4.3

Generic programming for Scala

typelevel/machinist   0.6.10

Spire's macros for zero-cost operator enrichment

typelevel/cats-effect-testing   1.6.0

Integration between cats-effect and test frameworks

com-lihaoyi/mainargs   0.7.6

A small, convenient, dependency-free library for command-line argument parsing in Scala

non/antimirov   0.2.6

algebraic manipulation of regular expressions

typelevel/paiges   0.4.4

an implementation of Wadler's a prettier printer

japgolly/nyaya   1.1.0

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

alexarchambault/plotly-scala   0.8.5

Scala bindings for plotly.js

danielasfregola/random-data-generator   2.9

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

travisbrown/iteratee   0.20.0

Iteratees for Cats

jvican/dijon   0.6.0

A Dynamically Typed Scala Json Library

rssh/dotty-cps-async   0.9.23

experimental CPS transformer for dotty

j-mie6/parsley   4.5.3

A fast and modern parser combinator library for Scala

augustjune/canoe   0.6.0

Functional Telegram Bot API for Scala

systemfw/upperbound   0.5.0

A purely functional rate limiter