Top Scala GitHub Repositories (2026) · Open Source Projects

A Framework for Runtime Code Generation and Compiled DSLs

Human-AI Collaborative Data Science Using Visual Workflows

A parser combinator library based on the GLL algorithm

Scalala has been superseded by dlwh/breeze. Scalala is a high performance numeric linear algebra library for Scala, with rich Matlab-like operators on vectors and matrices; a library of numerical routines; support for plotting.

Lightweight Scala Dependency Injection Library

A Scala wrapper for Joda Time

A library-based Software Transactional Memory (STM) for Scala, coupled with transactional sets and maps

An embedded Insane-specific Language for Scala implementing the BASIC programming language

An agreeable way to talk to your database.

Scala JSON toolkit. Originally from the Odersky "Stairway" Book, tightened up and tests added by Twitter, Inc.

A scala library for connecting to a redis server, or a cluster of redis nodes using consistent hashing on the client side.

Scala Code Coverage Tool

Typesafe, purely functional Computational Intelligence

A sample gizzard application

ldbc (Lepus Database Connectivity) is a pure functional database connectivity layer for Scala 3. It provides a type-safe API with first-class support for multiple effect systems — Cats Effect 3, ZIO, and plain Future.

A Markdown parser + object model in scala

Source code for the book "Lift in Action", publishing on Manning Q4 2011

An set of utilities for dealing with Java and Scala collections.

slip and slide picture shows for the web

Library for describing binary formats for Scala types