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

Audio Editor

Official doxygen git repository

SciPy library main repository

General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

Open Food Facts database, API server and web interface - 🐪🦋 Perl, CSS and JS coders welcome 😊 For helping in Python, see Robotoff or taxonomy-editor

Jupyter Interactive Notebook

Magic Another Game Engine

A glossy Matrix collaboration client for the web.

Ceph is a distributed object, block, and file storage platform

Next generation Cosmic desktop environment

NumPy aware dynamic Python compiler using LLVM

The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio.

A glossy Matrix collaboration client for the web.

A library that provides an embeddable, persistent key-value store for fast storage.

Cloud-native high-performance edge/middle/service proxy

The Scala 3 compiler, also known as Dotty.

Get your data in RAM. Get compute close to data. Enjoy the performance.

The new Windows Terminal and the original Windows console host, all in the same place!

✨ Standard library for JavaScript and Node.js. ✨

A post-modern modal text editor.

Rules engine for AWS management, DSL in yaml for query, filter, and actions on resources

An Open Source Machine Learning Framework for Everyone

Storybook is a frontend workshop for building UI components and pages in isolation. Made for UI development, testing, and documentation.

Interactive UI component dev & test: React, React Native, Vue, Angular

GenAI Agent Framework, the Pydantic way

Ruby on Rails

The Rust package manager

The React documentation website

A modern runtime for JavaScript and TypeScript.

The Ballerina Programming Language

Nomad is an easy-to-use, flexible, and performant workload orchestrator that can deploy a mix of microservice, batch, containerized, and non-containerized applications. Nomad is easy to operate and scale and has native Consul and Vault integrations.

📊 Open source visualization dashboards for OpenSearch.

Open-source customer engagement suite, an alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬

Cocos2d-x is a suite of open-source, cross-platform, game-development tools utilized by millions of developers across the globe. Its core has evolved to serve as the foundation for Cocos Creator 1.x & 2.x.

Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.

Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB

Rules engine for cloud security, cost optimization, and governance, DSL in yaml for policies to query, filter, and take actions on resources

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

📱 Nextcloud Android app

Spring Security

The most widely used Python to C compiler

🤗 Diffusers: State-of-the-art diffusion models for image, video, and audio generation in PyTorch.

A place to submit conda recipes before they become fully fledged conda-forge feedstocks

Eclipse Theia is a cloud & desktop IDE framework implemented in TypeScript.

Get up and running with Kimi-K2.6, GLM-5.2, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

A distributed task scheduler for Dask

Synapse: Matrix homeserver written in Python/Twisted.

React components that implement Google's Material Design.