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

The Serenity Operating System 🐞

Ecosystem to transform any database into a distributed database system, and enhance it with sharding, elastic scaling, encryption features & more

K-9 Mail – Advanced Email for Android 📧

K-9 Mail – Open Source Email App for Android

CKAN is an open-source DMS (data management system) for powering data hubs and data portals. CKAN makes it easy to publish, share and use data. It powers datahub.io, catalog.data.gov and europeandataportal.eu/data/en/dataset among many other sites.

Open deep learning compiler stack for cpu, gpu and specialized accelerators

A new type of shell

Ushahidi Platform v3 API

KeePassXC is a cross-platform community-driven port of the Windows application “Keepass Password Safe”.

Grow Open Source

Open MMLab Detection Toolbox and Benchmark

A scikit-learn compatible Python toolbox for machine learning with time series

Generate types and converters from JSON, Schema, and GraphQL

Signal — Private Messenger for Windows, Mac, and Linux

Azure WebJobs SDK

:love_letter: Mail app for Nextcloud

A flexible level editor

A flexible level editor

A web interface for MySQL and MariaDB

🤗Transformers: State-of-the-art Natural Language Processing for Pytorch and TensorFlow 2.0.

🖖 A progressive, incrementally-adoptable JavaScript framework for building UI on the web.

Point Cloud Library (PCL)

Distributed Task Queue (development branch)

Global Extensible Open Power Manager

The Kubernetes Package Manager

The component library behind the Carbon Design System

Routing and navigation for your React Native apps

DeepSpeed is a deep learning optimization library that makes distributed training easy, efficient, and effective.

Simple animated GIF screen recorder with an easy to use interface

📝 Minimalistic Vue-powered static site generator

Connect, secure, control, and observe services.

🔐 JSON Web Token Authentication for Laravel & Lumen

Connect suppliers, distributors and consumers for the sale and purchase of local produce

Moved to https://github.com/nodejs/node

⚡️ The Jamstack framework for Vue.js

The Wikimedia Commons Android app allows users to upload pictures from their Android phone/tablet to Wikimedia Commons

Swagger 2.0 implementation for go

The rails application powering http://www.openstreetmap.org/

Personal CRM. Remember everything about your friends and family.

Open Standard for Metadata. A Single place to Discover, Collaborate and Get your data right.

Cross-platform framework for building truly native mobile apps with Java or Kotlin. Write Once Run Anywhere support for iOS, Android, Desktop & Web.

persist and rehydrate a redux store

Realtime MVC Framework for Node.js

Deduplicating archiver with compression and authenticated encryption.

Open-source software for volunteer computing and grid computing.

Spring Boot

The OpenAPI Specification Repository

Mirror of Apache RocketMQ

Make your first PR! ~ A beginner-friendly repository. Add your profile, a blog, or any program under any language (it can be anything from a hello-world program to a complex data structure algorithm) or update the existing one. Just make sure to add the f