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

A declarative JavaScript library for application development using cloud services.

JavaScript 3D library.

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

Open-source keyboard firmware for Atmel AVR and Arm USB families

awesome window manager

A code-searching tool similar to ack, but faster.

Catch CSS curve balls.

Spring Boot

Postgresql JDBC Driver

Single-cell analysis in Python. Scales to >1M cells.

The Racket repository

The Racket repository

A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.

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

MNE : Magnetoencephalography (MEG) and Electroencephalography (EEG) in Python

:zap: A Fast, Extensible Progress Bar for Python and CLI

The Modern Data Stack 🐰 — Directus is an instant REST+GraphQL API and intuitive no-code data collaboration app for any SQL database.

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

Graphical Java application for managing BibTeX and BibLaTeX (.bib) databases

The headless editor framework for web artisans.

👽 API request builder - Helps you create your requests faster, saving you precious time on your development https://postwoman.io

👽 Open source API development ecosystem - https://hoppscotch.io

Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.

Apache Iceberg

Action for checking out a repo

Open Standard for Metadata. A Single place to Discover, Collaborate and Get your data right.

A virtual machine for executing programs written in Hack.

Telegram-iOS

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

:rocket:  A fully-featured, production ready caching GraphQL client for every UI framework and GraphQL server.

Make your first PR! ~ A beginner-friendly repository. Add your profile, a blog, or any program under any language (it can be anything from a hello-world program to a complex data structure algorithm) or update the existing one. Just make sure to add the f

Python packaging and dependency management made easy

A scalable, distributed Time Series Database.

Ruby enVironment Manager (RVM)

Ruby enVironment Manager (RVM)

Official docs, website, and handbook for PostHog.

Yii 2: The Fast, Secure and Professional PHP Framework

Widelands is a free, open source real-time strategy game with singleplayer campaigns and a multiplayer mode. The game was inspired by Settlers II™ (© Bluebyte) but has significantly more variety and depth to it.

GNU Radio – the Free and Open Software Radio Ecosystem

Free and Open Source UI Library for Vue 3 🤘

Oni: Modern Modal Editing - powered by Neovim

Data Apps & Dashboards for Python. No JavaScript Required.

Python package for earth-observing satellite data processing

Official haskell ide support via language server (LSP). Successor of ghcide & haskell-ide-engine.

Outliner for taking notes and managing to-do lists

A Git-based CMS for Static Site Generators

Cross-platform, customizable ML solutions for live and streaming media.

Dapper - a simple object mapper for .Net