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

A command line tool to help build, run, and test web extensions

SkyFireEMU is a full featured F/OSS World of Warcraft: Cataclysm emulator written in C++. || Compatible with World of Warcraft client 4.0.6a (Build:13623) || Public DB is located on forum

A terminal emulator for the 21st century.

OpenToonz - An open-source full-featured 2D animation creation software

Rayon: A data parallelism library for Rust

Audited (formerly acts_as_audited) is an ORM extension that logs all changes to your Rails models.

Vert.x is a tool-kit for building reactive applications on the JVM

A process for automating Docker container base image updates.

An easy-to-use, 2D GUI library written entirely in Rust.

Consul - Open Government and E-Participation Web Software

Small, fast and powerful console music player for Unix-like operating systems.

An experimental peer-to-peer Web browser

Lightweight, low-ceremony, framework for building HTTP based services on .Net and Mono

A Crystal database wrapper for reading, writing, and migrating Postgres databases.

Asynchronous HTTP client/server framework for asyncio and Python

Lean & powerful HTTP apps

:chains: A Framework for Building High Value Public Blockchains :sparkles:

Mopidy is an extensible music server written in Python

💫 Industrial-strength Natural Language Processing (NLP) with Python and Cython

Ethereum.org is a primary online resource for the Ethereum community.

NOTE: Most of the contents of this repository have been migrated to the new devcontainers GitHub org (https://github.com/devcontainers). See https://github.com/devcontainers/template-starter and https://github.com/devcontainers/feature-starter for informa

💨 Fast, Async-ready, Openapi, type hints based framework for building APIs

Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed.

Subscription Website Builder - subscription website in a box

Taking voice conversations to the moon 🚀

Text-mode interface for git

Ever® Teams™ - Open Work and Project Management Platform - https://ever.team

Ultralight, security-first service mesh for Kubernetes. Main repo for Linkerd 2.x.

A tagging plugin for Rails applications that allows for custom tagging along dynamic contexts.

Open source patternmaking software.

A Text User Interface library for the Rust programming language

Lagoon, the developer-focused application delivery platform

A Matrix client for Vim addicts

Elastic UI Framework 🙌

This Windows Batchscript helps setup a Mingw-w64 compiler environment for building ffmpeg and other media tools under Windows.

.NET Decompiler

A local-first personal finance app

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

A modern replacement for ‘ls’.

Transparent proxy server that works as a poor man's VPN. Forwards over ssh. Doesn't require admin. Works with Linux and MacOS. Supports DNS tunneling.

ES6 Native @mentions

A powerful image downloading and caching library for Android

urllib3 is a user-friendly HTTP client library for Python

JavaScript library for working with recurrence rules for calendar dates as defined in the iCalendar RFC and more.

Jenkins automation server

The Database Toolkit for Python

The core infrastructure backend (API, database, Docker, etc).

Universal select/multiselect/tagging component for Vue.js

Streetmix makes it easy for people to design public spaces together.