Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3

A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.

Apache OpenWhisk is an open source serverless cloud platform

Generic programming for Scala

A better build tool for Java, Scala and Kotlin: Simpler than Maven, easier than Gradle, with 3-7x faster dev workflows than other JVM build tools

A Scala API for Apache Beam and Google Cloud Dataflow.

Yet another JSON library for Scala

Compositional, streaming I/O library for Scala

Abstract Algebra for Scala

The pure asynchronous runtime for Scala

Functional JDBC layer for Scala.

Pure Scala Artifact Fetching

A data access library for Scala + Postgres.

Scala library for boilerplate-free, type-safe data transformations

Compiler plugin for making type lambdas (type projections) easier to write

RxScala – Reactive Extensions for Scala – a library for composing asynchronous and event-based programs using observable sequences

Generalized recursion schemes and traversals for Scala.

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

Easy, fast, transparent generic derivation of typeclass instances

uPickle: a simple, fast, dependency-free JSON & Binary (MessagePack) serialization library for Scala

A composable command-line parser for Scala.

Simple & Efficient data access for Scala and Scala.js

A Scala feature transformation library for data science and machine learning

The Functional and Reactive Web-Frontend Library for Scala.js

recursion schemes for cats; to iterate is human, to recurse, divine

friendly little parsers

A tool for data sampling, data generation, and data diffing

functional tracing for cats

Banana RDF

Code snippets for solving common big data problems in various platforms. Inspired by Rosetta Code