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

Web app for visualizing pathogen evolution

Open-source, cloud-native transactional tensor storage engine

Data structure and Algorithm (DSA) contributions

Scala language server with rich IDE features 🚀

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

OpenRocket simulation software

Friendly machine learning for the web! 🤖

最好用的 V2Ray 一键安装脚本 & 管理脚本

The most customizable typing website with a minimalistic design and a ton of features. Test yourself in various modes, track your progress and improve your speed.

📑 Collabora Online for Nextcloud

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

The continuation of the venerable JA2-Stracciatella project.

a structural diff that understands syntax 🟥🟩

The core infrastructure backend (API, database, Docker, etc).

JavaScript Testing utilities for React

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

Open Dylan compiler and IDE

🏆 Java4You Design patterns

Sphinx theme for readthedocs.org

Lightweight, modular, and extensible library for functional programming.

A Creative Coding Framework for Rust.

Powerful and flexible web-based application builder

MGen: Windows PC C++ algorithmic music generator laboratory, playing into MIDI port and exporting MIDI

The fastai deep learning library

The Wren Programming Language. Wren is a small, fast, class-based concurrent scripting language.

Augmentative and Alternative Communication (AAC) system with text-to-speech for the browser

Find vulnerabilities, misconfigurations, secrets, SBOM in containers, Kubernetes, code repositories, clouds and more

Dubbox now means Dubbo eXtensions, and it adds features like RESTful remoting, Kyro/FST serialization, etc to the Dubbo service framework.

Lizzie - Leela Zero Interface

lightweight connection pooler for PostgreSQL

libheif is a ISO/IEC 23008-12:2017 HEIF file format decoder and encoder.

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

OpenMMLab Pre-training Toolbox and Benchmark

NUnit Framework

A powerful little TUI framework 🏗

Pipeline components for real-time phylodynamic analysis

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

Pure Node.js Sass linting

The Symfony PHP framework

👥 A website for crowd-sourcing structured election candidate data

🔥 A cross-platform build utility based on Lua

Terraform AWS provider

Modern JavaScript Tutorial in Korean (모던 JavaScript 튜토리얼)

A Reliable, Flexible, Fast and Powerful download engine.

A static analyzer for Java, C, C++, and Objective-C

A Ruby language server.

Manage job listings from the WordPress admin panel, and allow users to post jobs directly to your site.

I2C device library collection for AVR/Arduino or other C++-based MCUs

Nvim Treesitter configurations and abstraction layer