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

JupyterLab computational environment.

CockroachDB - the open source, cloud-native SQL database.

Build amazing native and progressive web apps with open web technologies. One app running on everything 🎉

EssentialsX - A maintained fork of Essentials 2.x.

🔐 JSON Web Token Authentication for Laravel & Lumen

A privacy-aware, distributed, open source social network.

wallabag is a self hostable application for saving web pages: Save and classify articles. Read them later. Freely.

Tool for collaboratively building interactive lessons.

One webpage for every book ever published!

Serverless Framework – Build web, mobile and IoT applications with serverless architectures using AWS Lambda, Azure Functions, Google CloudFunctions & more! –

PX4 Autopilot Software

AngularBellApp using couch 2.0. Part of OLE

AngularBellApp using couch 2.0. Part of OLE

Mirror of Apache Flink

Creating delicious APIs for Django apps since 2010.

JSHint is a tool that helps to detect errors and potential problems in your JavaScript code

The most advanced responsive front-end framework in the world. Quickly create prototypes and production code for sites that work on any kind of device.

Creating delicious APIs for Django apps since 2010.

coala provides a unified command-line interface for linting and fixing all your code, regardless of the programming languages you use.

IPFS implementation in go

the future face of osu!

A scalable, distributed Time Series Database.

Quickly ramp up in new programming languages.

Free, open-source, self-hosted CMS platform based on the Laravel PHP Framework.

Reaction is a customizable, real-time reactive, JavaScript commerce platform.

Play Framework

Play Framework

This is the main, active Jersey development repository. Forks and pull requests are welcome! For more information about Jersey, please visit the Jersey website:

Scala Language Integrated Connection Kit

Apache OpenWhisk is a serverless event-based programming service and an Apache Incubator project.

Full Stack Web Framework in Python & JS. Used to build ERPNext

Vagrant is a tool for building and distributing development environments.

An easy-to-use multi SQL dialect ORM for Node.js

a free (libre) open source, mobile OS for Ethereum

Distributed computation in Python

The Racket repository

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows to load parts for the application on demand. Through "loaders," modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ...

Vagrant is a tool for building and distributing development environments.

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

RailsAdmin is a Rails engine that provides an easy-to-use interface for managing your data

Simple, modern & fast web-based email client

A CMS for Static Site Generators

The blockchain for Smart Media Tokens (SMTs) and decentralized applications.

Native port of Open Food Facts on Android - We need HELP :-)

:leaves: JavaScript library for mobile-friendly interactive maps

Realm is a mobile database: a replacement for Core Data & SQLite

Personal CRM. Remember everything about your friends and family.

A free & open modern, fast email client with user-friendly encryption and privacy features

ShellCheck, a static analysis tool for shell scripts

A tool for secrets management, encryption as a service, and privileged access management