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

An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.

Staticcheck - The advanced Go linter

Widelands is a free, open source real-time strategy game with singleplayer campaigns and a multiplayer mode. The game was inspired by Settlers II™ (© Bluebyte) but has significantly more variety and depth to it.

Joplin - the secure note taking and to-do app with synchronisation capabilities for Windows, macOS, Linux, Android and iOS.

Python package for earth-observing satellite data processing

DuckDB is an in-process SQL OLAP Database Management System

Automatically generates Rust FFI bindings to C (and some C++) libraries.

awesome window manager

Data validation using Python type hints

Generate types and converters from JSON, Schema, and GraphQL

Run Kubernetes locally

A delightful community-driven (with 1,000+ contributors) framework for managing your zsh configuration. Includes 200+ optional plugins (rails, git, OSX, hub, capistrano, brew, ant, php, python, etc), over 140 themes to spice up your morning, and an auto-u

🙃 A delightful community-driven (with 2,200+ contributors) framework for managing your zsh configuration. Includes 300+ optional plugins (rails, git, macOS, hub, docker, homebrew, node, php, python, etc), 140+ themes to spice up your morning, and an aut

A code-searching tool similar to ack, but faster.

:leaves: JavaScript library for mobile-friendly interactive maps

:zap: Universal Workflow Orchestration Platform — Code in any language, run anywhere. 900+ plugins for data, infrastructure, and AI automation.

Ruby enVironment Manager (RVM)

Ruby enVironment Manager (RVM)

Archipelago Multi-Game Randomizer and Server

ORM for TypeScript and JavaScript. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, SAP Hana, WebSQL databases. Works in NodeJS, Browser, Ionic, Cordova and Electron platforms.

Data Apps & Dashboards for Python. No JavaScript Required.

The Symfony PHP framework

AI Agents & MCPs & AI Workflow Automation • (~400 MCP servers for AI agents) • AI Automation / AI Agent with MCPs • AI Workflows & AI Agents • MCPs for AI Agents

Erlang/OTP

A Chaos Engineering Platform for Kubernetes.

The user-friendly command line shell.

Postgresql JDBC Driver

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.

Dapper - a simple object mapper for .Net

Microsoft Azure SDK for Java

Official haskell ide support via language server (LSP). Successor of ghcide & haskell-ide-engine.

A modern Prolog implementation written mostly in Rust.

Support for adding OAuth1(a) and OAuth2 features (consumer and provider) for Spring web applications.

Welcome to a calmer internet

Open-source keyboard firmware for Atmel AVR and Arm USB families

Python packaging and dependency management made easy

Scrobble music all around the web!

A virtual machine for executing programs written in Hack.

A scalable, distributed Time Series Database.

The content behind MDN Web Docs

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.

Spring Boot

Background Music, a macOS audio utility: automatically pause your music, set individual apps' volumes and record system audio.

Fast, secure, efficient backup program

This repository is outdated and new Boost Note app is available! We've launched a new Boost Note app which supports real-time collaborative writing. https://github.com/BoostIO/BoostNote-App

Source code of the recurrent donations platform Liberapay