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

Drag and Drop Website Builder and CMS with E-commerce

RDFLib is a Python library for working with RDF, a simple yet powerful language for representing information.

ZeroMQ core engine in C++, implements ZMTP/3.1

Run your GitHub Actions locally 🚀

Open Source Continuous File Synchronization

Native version of Open Food Facts on Android - Coders & Decoders welcome 🤳🥫

JavaScript 3D library.

OSv, a new operating system for the cloud.

Spoon is a metaprogramming library to analyze and transform Java source code. :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.

A toolkit with common assertions and mocks that plays nicely with the standard library

JVM version of Pact. Enables consumer driven contract testing, providing a mock service and DSL for the consumer project, and interaction playback and verification for the service provider project.

DeaDBeeF Player

Apache Flink

The participatory democracy framework. A generator and multiple gems made with Ruby on Rails.

The open-source CapCut alternative

Open-sourced codes for MiniGPT-4 and MiniGPT-v2 (https://minigpt-4.github.io, https://minigpt-v2.github.io/)

Spring Batch is a framework for writing batch applications using Java and Spring

Go engine with no human-provided knowledge, modeled after the AlphaGo Zero paper.

WordPress for iOS - Official repository

A tiling window manager for X11

Provides packet processing capabilities for Go

🥧 Savoury implementation of the QUIC transport protocol and HTTP/3

A fast dependency injector for Android and Java.

DEPRECATED! ~~C++ HTML/CSS UI. Supports subset of HTML/CSS. Based on chromium/cobalt.foo without JavaScript overhead. Uses SKIA 2D graphics library. Can be used to build UI for cross-platform app, game or website. Can support browser as HTML5 web framewor

Fully featured framework for fast, easy and documented API development with Flask

Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU

Open Source Flight Controller Firmware

OpenEverest is an open-source platform for automated database provisioning and management. It supports multiple database technologies and can be hosted on any Kubernetes infrastructure, in the cloud or on-premises.

A full-featured browser reference implementation using Mozilla Android Components.

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 8 and above, brought to you by Google.

Source code of open-source Colobot: Gold Edition project developed by Epsitec and TerranovaTeam

Deterministic orchestrator for 30+ CLI AI coding agents. Git worktree isolation, HMAC audit trail, MCP server mode.

A native gRPC client & server implementation with async/await support.

For more information, please see http://smartos.org/ For any questions that aren't answered there, please join the SmartOS discussion list: https://smartos.topicbox.com/groups/smartos-discuss

The blockchain for Smart Media Tokens (SMTs) and decentralized applications.

ManageIQ Open-Source Management Platform

🗜 JavaScript parser, mangler and compressor toolkit for ES6+

Provides PowerShell language and debugging support for Visual Studio Code

CodiMD - Realtime collaborative markdown notes on all platforms.

Simple, expressive & portable programming language for efficient scripting

Don't fork this project (yet) but work from the original sourceforge subversion repository instead until transitioned.

Official docs, website, and handbook for PostHog.

Open-Source Web UI for Apache Kafka Management

An open source personal productivity platform built on Markdown, turbo charged with the scripting power of Lua

🍰 Everything is RSSible

RStan, the R interface to Stan

Distributed reliable key-value store for the most critical data of a distributed system