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

Automated linting of Cascading Stylesheets

Vi/Vim emulation for Sublime Text 3

📘 Nextcloud documentation

Language Savant. If your repository's language is being reported incorrectly, send us a pull request!

A local-first personal finance app

Featureful ncurses based MPD client inspired by ncmpc

Brings the popular ruby faker gem to Java

Statically sized arrays for Julia

PHPCI is a free and open source continuous integration tool specifically designed for PHP.

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

Rayon: A data parallelism library for Rust

Community-based GPL-licensed network monitoring system

MyPaint is a simple drawing and painting program that works well with Wacom-style graphics tablets.

Microsoft.Recognizers.Text provides recognition and resolution of numbers, units, and date/time expressed in multiple languages (CN, EN, FR, ES, PT, DE. Partial support for NL, JA, KO). Contributions are greatly welcome! Packages are available at https://

A free and open-source MMORPG server emulator written in C++

Embedded graphics library to create beautiful UIs for any MCU, MPU and display type. It's boosted by a professional yet affordable drag and drop UI editor, called SquareLine Studio.

LLM training in simple, raw C/CUDA

A collection of essential TypeScript types

Mopidy is an extensible music server written in Python

Which is the fastest web framework?

GitHub Classroom automates repository creation and access control, making it easy for teachers to distribute starter code and collect assignments on GitHub.

Next-gen identity server (think Auth0, Okta, Firebase) with ORY-hardened authentication, MFA, FIDO2, profile management, identity schemas, social sign in, registration, account recovery, service-to-service and IoT auth. Can work as an OAuth2 / OpenID Conn

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

Generate types and converters from JSON, Schema, and GraphQL

Realtime Web Apps and Dashboards for Python and R

Elastic UI Framework 🙌

:notebook_with_decorative_cover: Simple Notes app for Nextcloud

LibreHealth EHR - Free Open Source Electronic Health Records

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.

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

A process for automating Docker container base image updates.

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

A decentralized bitcoin exchange network

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

An experimental peer-to-peer Web browser

This is a repository for collecting global custom management extensions for the Django Framework.

Modular, contributor-friendly and blazing-fast implementation of the Ethereum protocol, in Rust

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

urllib3 is a user-friendly HTTP client library for Python

Collaborative forensic timeline analysis

Subscription Website Builder - subscription website in a box

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

Lagoon, the developer-focused application delivery platform

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

k0s - The Zero Friction Kubernetes

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