Help out your favorite open source projects and become a better developer while doing it.

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

🛠️ webpack-based tooling for Vue.js Development

Monorepo for tools developed by the Rush Stack community

Build like a team of hundreds_

Memory hacking library for Dwarf Fortress and a set of tools that use it

Deep learning framework to train, deploy, and ship AI products Lightning fast.

An easy-to-use multi SQL dialect ORM for Node.js

The lightweight PyTorch wrapper for high-performance AI research. Scale your models, not the boilerplate.

openFrameworks is a community-developed cross platform toolkit for creative coding in C++.

An open-source cross-platform alternative to AirDrop

A design system built by IBM

Extensible low-code framework for building business applications. Connect to databases, cloud storages, GraphQL, API endpoints, Airtable, etc and build apps using drag and drop application builder. Built using JavaScript/TypeScript. 🚀

Universal markup converter

GitHub’s official command line tool

A terminal built on web technologies

eBPF-based Networking, Security, and Observability

A Django content management system focused on flexibility and user experience

A modern and intuitive terminal-based text editor

A framework for building native apps with React.

Multi Theft Auto is a game engine that incorporates an extendable network play element into a proprietary commercial single-player game.

Free (libre) font editor for Windows, Mac OS X and GNU+Linux

K-9 Mail – Open Source Email App for Android

The AMP web component framework.

K-9 Mail – Advanced Email for Android 📧

A powerful cross-platform raw photo processing program

A free open source IT asset/license management system

📊 Cube — The Semantic Layer for Building Data Applications

☄🌌️ The minimal, blazing-fast, and infinitely customizable prompt for any shell!

Main UserLAnd Repository

The most popular open source electronic health records and medical practice management solution.

The Python package installer

The pytest framework makes it easy to write small tests, yet scales to support complex functional testing

Focus on what matters instead of fighting with Git.

Dubbo is a high-performance, java based, open source RPC framework

The java implementation of Apache Dubbo. An RPC and microservice framework.

🆔 The easy-to-use OpenStreetMap editor in JavaScript.

Very spicy additions to the Java programming language.

:atom: The hackable text editor

Collabora Online is a collaborative online office suite based on LibreOffice technology. This is also the source for the Collabora Office apps for iOS and Android.

A new bootable USB solution.

📱 Nextcloud iOS App

Langflow is a low-code app builder for RAG and multi-agent AI applications. It’s Python-based and agnostic to any model, API, or database.

A fully open source & end-to-end encrypted note taking alternative to Evernote.

📦🐈 Active development trunk for Yarn ⚒

React-based frontend for the Plone Content Management System

Wikidata-based scholarly profiles

The Grails Web Application Framework

A React framework for building text editors.

JRuby, an implementation of Ruby on the JVM