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

Source code for the Online-Go.com web interface

Improve your Stylus code with Stylint

Go language library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets

A modern, responsive admin framework for Ruby on Rails

Static AST checker for a11y rules on JSX elements.

Social logging script for Day One

CTF framework and exploit development library

Rust bindings for writing safe and fast native Node.js modules.

Notebook.ai is a set of tools for writers, game designers, and roleplayers to create magnificent universes – and everything within them.

Save your time watching videos. Removes silent parts from the video on the fly.

Cyan Worlds's Plasma game engine

The HTML-first framework. Instant apps of any size with ~ 1kb JS

An encrypted file system written in Rust that is mounted with FUSE on Linux. It can be used to create encrypted directories

A Decentralized Operating System for Zero-Knowledge Applications

A mighty CSS linter that helps you avoid errors and enforce conventions.

Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber

A static website compiler library in Haskell

Markdown lint tool

:octocat: Browser extension that simplifies the GitHub interface and adds useful features

CUBRID is a comprehensive open source relational database management system highly optimized for Web Applications.

Code style checking for RSpec files

Dillo, a multi-platform graphical web browser

A fast, practical GPU rasterizer for fonts and vector graphics

An LLM-powered knowledge curation system that researches a topic and generates a full-length report with citations.

Open data project for small-scale food growers

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

Bind Android views and callbacks to fields and methods.

🐕 Simulate user events

Compresses linked and inline javascript or CSS into a single cached file.

The EFF Action Center Platform

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

30 Seconds Of STL (Standard Template Library in C++).

🌏 Our website

Generic Python packager for Android and iOS

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

The Medito app is a 100% free meditation app built with flutter. The app is available on Android and iOS.

Plone Documentation

💎 Artichoke is a Ruby made with Rust

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

Query, provision and operate Cloud and SaaS resources and APIs using an extensible SQL based framework

Abstract Algebra for Scala

Collect logs for docker containers

An open-source remote desktop, and alternative to TeamViewer.

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.

a modern C++ GUI library

Sass makes CSS fun!

Rust / Wasm framework for creating reliable and efficient web applications

FastStream is a powerful and easy-to-use Python framework for building asynchronous services interacting with event streams such as Apache Kafka, RabbitMQ, NATS and Redis.