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

Sass makes CSS fun!

Management of application landscapes for teams

The w3develops.org open source codebase - Learn, build, and meetup with other developers on DISCORD https://discord.gg/WphGvTT and YOUTUBE http://bit.ly/codingyt

💎 Artichoke is a Ruby made with Rust

30 Seconds of C++ (Standard Template Library in C++).

State machines and statecharts for the modern web.

Oso is a batteries-included framework for building authorization in your application.

Bind Android views and callbacks to fields and methods.

Building blocks for digital commerce

The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on desktop, server, mobile, IoT, and embedded systems.

Trick Simulation Environment. Trick provides a common set of simulation capabilities and utilities to build simulations automatically.

Abstract Algebra for Scala

📱:newspaper: Android client for the Nextcloud news/feed reader app

tsMuxer is a transport stream muxer for remuxing/muxing elementary streams, EVO/VOB/MPG, MKV/MKA, MP4/MOV, TS, M2TS to TS to M2TS. Supported video codecs H.264/AVC, H.265/HEVC, VC-1, MPEG2. Supported audio codecs AAC, AC3 / E-AC3(DD+), DTS/ DTS-HD.

OpenRW "Open ReWrite" is an un-official open source recreation of the classic Grand Theft Auto III game executable

Build cross-platform Native Progressive Web Apps for iOS, Android, and the Web ⚡️

Collect logs for docker containers

theCore: C++ embedded framework

a modern C++ GUI library

Distributed scheduled job

Water Monitoring System is an IOT based Liquid Level Monitoring system that has mechanisms to keep the user alerted in case of liquid overflow or when tank depletes.

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

A JOSE implementation in Python

A community based Python library for quantitative economics

A Minecraft server written in JavaScript

Haskell API search engine

Version-bump your software with a single command

Simplifies the development of creating a JPA-based data access layer.

Framework for lifting x86, amd64, aarch64, sparc32, and sparc64 program binaries to LLVM bitcode

Temporal Python SDK

Kubernetes community content

✅ The 5th major version of the programmer-friendly testing framework for Java and the JVM

Nokogiri (鋸) makes it easy and painless to work with XML and HTML from Ruby.

Self hosted newsletter app

Code style checking for RSpec files

GraphQL framework for Python

Distributed "massively parallel" SQL query engine

Fancy upgrade to std::error::Error.

Learn You The Node.js For Much Win! An intro to Node.js via a set of self-guided workshops.

An implementation of Org mode without the dependency of Emacs - built for mobile and desktop browsers

The standard data-centric AI package for data quality and machine learning with messy, real-world data and labels.

Integration of React + Webpack + Rails + rails/webpacker including server-side rendering of React, enabling a better developer experience and faster client performance.

A modern JSON library for Kotlin and Java.

The #1 open-source Android GNSS/GPS test program

Flutter fitness/workout app for wger

💧 A server-side Swift HTTP web framework.

A static analysis security vulnerability scanner for Ruby on Rails applications