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

A fault tolerant, protocol-agnostic RPC system

The Scala 3 compiler, also known as Dotty.

A machine learning package built for humans.

A Scala API for Apache Beam and Google Cloud Dataflow.

Compositional, streaming I/O library for Scala

sbt Native Packager

Scala combinator library for building Finagle HTTP services

The Scala HTTP client you always wanted!

Purely Functional Algorithms and Data Structures in Scala

Distributed Tracing, Metrics and Context Propagation for applications running on the JVM

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

A collection of open source Apache 2.0 Kafka Connector maintained by Lenses.io.

The Scala API for Quantities, Units of Measure and Dimensional Analysis

Easy, fast, transparent generic derivation of typeclass instances

Distributed State Management for Serverless

The missing MatPlotLib for Scala + Spark

A sbt plugin for creating distributable Scala packages.

A Scala feature transformation library for data science and machine learning

Describe HTTP endpoints in Scala and derive clients, servers, and documentation

Just a bunch of useful links

Type-safe general-cryptography library - https://jmcardon.github.io/tsec/

RTree2D is a 2D immutable R-tree for ultra-fast nearest and intersection queries in plane and spherical coordinates

Discover java object sizes through questionable sleuthing plus luck.

Shapeless utilities for common data types

Scio IDEA plugin

A SBT resolver and publisher for Google Cloud Storage