reactivemongo/reactivemongo

:leaves: Non-blocking, Reactive MongoDB Driver for Scala

scalacenter/bloop

Bloop is a build server and CLI tool to compile, test and run Scala fast from any editor or build tool.

tminglei/slick-pg

Slick extensions for PostgreSQL

softwaremill/quicklens

Modify deeply nested case class fields

scodec/scodec

Scala combinator library for working with binary data

playframework/play-slick

Slick Plugin for Play

mohiva/play-silhouette

Silhouette is an authentication library for Play Framework applications that supports several authentication methods, including OAuth1, OAuth2, OpenID, CAS, 2FA, TOTP, Credentials, Basic Authentication or custom authentication schemes.

etaty/rediscala

Non-blocking, Reactive Redis driver for Scala (with Sentinel support)

cb372/scalacache

Simple caching in Scala

scalacenter/scalafix

Refactoring and linting tool for Scala

mrpowers/spark-daria

Essential Spark extensions and helper methods ✨😲

softwaremill/magnolia

Easy, fast, transparent generic derivation of typeclass instances

seratch/awscala

Using AWS SDK on the Scala REPL

zio/zio-http

A next-generation Scala framework for building scalable, correct, and efficient HTTP clients and servers

com-lihaoyi/scalatags

ScalaTags is a small XML/HTML construction library for Scala.

sirthias/parboiled2

A macro-based PEG parser generator for Scala 2.10+

plokhotnyuk/jsoniter-scala

Scala macros for compile-time generation of safe and ultra-fast JSON codecs

unfiltered/unfiltered

A toolkit for servicing HTTP requests in Scala

oleg-py/better-monadic-for

Desugaring scala `for` without implicit `withFilter`s

apache/pekko

Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala