Top Scala GitHub Repositories (2026) · Open Source Projects

Steam Play for macOS

♞ lichess.org: the forever free, adless and open source chess server ♞

Apache Spark - A unified analytics engine for large-scale data processing

Powerful, joyful building blocks for modern cloud-native applications.

Toolkit for Scala Development

APRSdroid - Geo-Location for Radio Amateurs

sbt, the interactive build tool

Splice repository

Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for Scala

a command line tool to apply templates defined on GitHub

Agentic and LLM Programming in Scala

Library to read, analyze, transform and generate Scala programs

A toolkit for servicing HTTP requests in Scala

Scalate is a Scala based template engine which supports HAML, Mustache and JSP, Erb and Velocity style syntaxes.

A Scala DSL for talking with databases with minimum verbosity and maximum type safety

Scala source code formatter

Async and clustered Scala web framework and HTTP(S) server

:leaves: ReactiveMongo plugin for Playframework

Norbert is a cluster manager and networking layer built on top of Zookeeper.

scalaxb is an XML data binding tool for Scala.