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

Mirror of Apache Kafka

Web Experience Toolkit (WET): Open source code library for building innovative websites that are accessible, usable, interoperable, mobile-friendly and multilingual. This collaborative open source project is led by the Government of Canada.

BOSH release and development workspace for Concourse

Blazing fast, instant realtime GraphQL APIs on Postgres with fine grained access control, also trigger webhooks on database events.

A D3-based reusable chart library

A D3-based reusable chart library

music library manager and MusicBrainz tagger

Support for adding OAuth1(a) and OAuth2 features (consumer and provider) for Spring web applications.

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

PDF Reader in JavaScript

fabric8 is an open source microservices platform based on Docker, Kubernetes and Jenkins

Chocolatey CLI

Tool for collaboratively building interactive lessons.

Universal markup converter

🥑 ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaScript extensions.

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

K-9 Mail – Advanced Email for Android 📧

The leading native Python SSHv2 protocol library.

JRuby, an implementation of Ruby on the JVM

Scalable datastore for metrics, events, and real-time analytics

Main repository for GoCD - Continuous Delivery server

Simple management UI for Docker

Modern applications with built-in automation

A generic system to build and distribute packages from sources in an automatic, consistent and reproducible way. Release your software for a wide range of operating systems and hardware architectures.

The best way to write secure and reliable applications. Write nothing; deploy nowhere.

Very spicy additions to the Java programming language.

The Ethereum Improvement Proposal repository

Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.

Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.

The OpenAPI Specification Repository

Theano is a Python library that allows you to define, optimize, and evaluate mathematical expressions involving multi-dimensional arrays efficiently. It can use GPUs and perform efficient symbolic differentiation.

Distributed reliable key-value store for the most critical data of a distributed system

Consul is a distributed, highly available, and data center aware solution to connect and configure applications across dynamic, distributed infrastructure.

The pytest framework makes it easy to write small tests, yet scales to support complex functional testing

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

Shōgun

E2E test framework for Angular apps

A multi-platform .NET UI framework

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

CLI tool for Angular

A lightweight, fast and extensible game server for Minecraft

WordPress for iOS - Official repository

A lightweight, fast and extensible game server for Minecraft

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

Create React apps with no build configuration.

Create React apps with no build configuration.

Parallel computing with task scheduling

c:geo - The powerful Android geocaching app.

A React framework for building text editors.

Electrum; Bitcoin thin client