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

The uncompromising Python code formatter

Web app for visualizing pathogen evolution

Haskell Documentation Tool

Keep your application settings in sync (OS X/Linux)

Spring HATEOAS - Library to support implementing representations for hyper-text driven REST web services.

hub helps you win at git.

Main repository for the servant libraries — DSL for describing, serving, querying, mocking, documenting web applications and more!

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

A command-line tool that makes git easier to use with GitHub.

Create amazing 360 and VR content using React

A native macOS KeePass client

Ember.js - A JavaScript framework for creating ambitious web applications

Elegant Facebook Messenger desktop app

TypeScript Compiler API wrapper for static analysis and programmatic code changes.

Asset Management for PHP

Publii is a desktop-based CMS for Windows and Mac that makes creating static websites fast and hassle-free, even for beginners.

Rust parser combinator framework

:bookmark_tabs: A better OneTab for Chrome :memo: Temporarily removed from firefox :construction: V2 is WIP

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

Deduplicating archiver with compression and authenticated encryption.

Easily make RESTful web services for time series reporting with Big Data analytics engines like Druid and SQL Databases.

✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.libera.chat

Lutris desktop client in Python / PyGObject

Scala language server with rich IDE features 🚀

lightweight connection pooler for PostgreSQL

a structural diff that understands syntax 🟥🟩

A file and module loader for JavaScript

Apache Traffic Server™ is a fast, scalable and extensible HTTP/1.1 and HTTP/2 compliant caching proxy server.

Data structure and Algorithm (DSA) contributions

Automatic tiling window manager for macOS à la xmonad.

Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.

Free and open-source social network for active citizenship.

AI-powered job search system built on Claude Code. 14 skill modes, Go dashboard, PDF generation, batch processing.

Friendly machine learning for the web! 🤖

bottle.py is a fast and simple micro-framework for python web-applications.

最好用的 V2Ray 一键安装脚本 & 管理脚本

The official repo for the design of the C# programming language

a multi-language bindings generator for rust

CrowdSec - the open-source and participative security solution offering crowdsourced protection against malicious IPs and access to the most advanced real-world CTI.

Multi-platform transparent client-side encryption of your files in the cloud

Lightweight, modular, and extensible library for functional programming.

Expressive, robust, feature-rich CSS language built for nodejs

Canonical common brand names, operators, transit and flags for OpenStreetMap.

JavaScript Testing utilities for React

Open Dylan compiler and IDE

Open-source compositing software. Node-graph based. Similar in functionalities to Adobe After Effects and Nuke by The Foundry.

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

Fast, cross-platform HTTP/2 web server with automatic HTTPS