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

A PSP emulator for Android, Windows, Mac and Linux, written in C++. Want to contribute? Join us in #ppsspp on freenode (IRC) or just send pull requests / issues. For discussion use the forums on ppsspp.org.

A keyboard-driven, vim-like browser based on PyQt5.

A keyboard-driven, vim-like browser based on PyQt5.

openFrameworks is a community-developed cross platform toolkit for creative coding in C++.

API-aware Networking and Security using eBPF and XDP

📱 Nextcloud Android app

A Django content management system focused on flexibility and user experience

A fast and lightweight IDE

Microsoft Azure SDK for JavaScript (NodeJS & Browser)

Home of the Joomla! Content Management System

Open Source Identity and Access Management For Modern Applications and Services

Cross-platform music production software

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.

Electrum; Bitcoin thin client

The Python package installer

WordPress for iOS - Official repository

Mirror of Apache Kafka

A secure JavaScript/TypeScript runtime built with V8, Rust, and Tokio

Apache Airflow (Incubating)

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

Bitcoin Core integration/staging tree

A static analysis tool for finding errors in PHP applications

Angular Smart Data Table component

turn natural language into structured data

💬 Open source machine learning framework to automate text- and voice-based conversations: NLU, dialogue management, connect to Slack, Facebook, and more - Create chatbots and voice assistants

Distributed SQL query engine for big data

A React framework for building text editors.

🛠️ webpack-based tooling for Vue.js Development

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

An open source trusted cloud native registry project that stores, signs, and scans content.

The leading native Python SSHv2 protocol library.

A declarative, efficient, and flexible JavaScript library for building user interfaces.

Friendica Communications Platform

Build highly concurrent, distributed, and resilient message-driven applications on the JVM

N-D labeled arrays and datasets in Python

Free (libre) font editor for Windows, Mac OS X and GNU+Linux

Modin: Speed up your Pandas workflows by changing a single line of code

Highcharts JS, the JavaScript charting framework

Simple management UI for Docker

The easy-to-use OpenStreetMap editor in JavaScript.

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

Simple, modern & fast web-based email client

:atom: The hackable text editor

Mirror of Apache Flink

Research platform for new language concepts and compiler technologies for Scala.

A JavaScript checker and optimizer.

unix-like reverse engineering framework and commandline tools

BOSH release and development workspace for Concourse

Wikidata scholarly profiles