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

Stellarium is a free GPL software which renders realistic skies in real time with OpenGL. It is available for Linux/Unix, Windows and macOS. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope.

Creating delicious APIs for Django apps since 2010.

Typed interactions with the GitHub API v3

Ivy - a generic completion frontend for Emacs, Swiper - isearch with an overview, and more. Oh, man!

📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings

An online toolset to manage and analyze data collected from insect camera traps for research and conservation efforts.

REST API for any Postgres database

Meshtastic device firmware

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

Apache ShenYu is a Java native API Gateway for service proxy, protocol conversion and API governance.

Multi-Dimensional charting built to work natively with crossfilter rendered with d3.js

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

Provides PowerShell language and debugging support for Visual Studio Code

:package::rocket: Fully automated version management and package publishing

Traccar GPS Tracking System

🐺 Turn Based Strategy Game. Master your beasts!

Autopsy® is a digital forensics platform and graphical interface to The Sleuth Kit® and other digital forensics tools. It can be used by law enforcement, military, and corporate examiners to investigate what happened on a computer. You can even use it to

Enhancements tracking repo for Kubernetes

Perkeep (née Camlistore) is your personal storage system for life: a way of storing, syncing, sharing, modelling and backing up content.

Official docs, website, and handbook for PostHog.

An open-source & self-hostable Heroku / Netlify / Vercel alternative.

Bitpay Wallet (formerly Copay) is a secure Bitcoin and other crypto currencies wallet platform for both desktop and mobile devices.

:lipstick: Universal beautification package for Atom editor

A Swift command line tool for generating your Xcode project

Content curation tools for Kolibri

The participatory democracy framework. A generator and multiple gems made with Ruby on Rails.

A powerful Flutter chart library, currently supporting Line Chart, Bar Chart, Pie Chart and Scatter Chart.

OpenEverest is an open-source platform for automated database provisioning and management. It supports multiple database technologies and can be hosted on any Kubernetes infrastructure, in the cloud or on-premises.

Git Source Code Mirror - This is a publish-only repository but pull requests can be turned into patches to the mailing list via GitGitGadget (https://gitgitgadget.github.io/). Please follow Documentation/SubmittingPatches procedure for any of your improve

👩‍🎤 CSS-in-JS library designed for high performance style composition

Utilities to use the Hugging Face Hub API

A toolkit with common assertions and mocks that plays nicely with the standard library

Run your GitHub Actions locally 🚀

WordPress for iOS - Official repository

JavaScript 3D library.

Balena Supervisor: balena's agent on devices.

A modular Wayland compositor library

Emacs Python Development Environment

ZeroMQ core engine in C++, implements ZMTP/3.1

Realm is a mobile database: a replacement for SQLite & ORMs

🥧 Savoury implementation of the QUIC transport protocol and HTTP/3

Apache Flink

Open Source Continuous File Synchronization

SimTK OpenSim C++ libraries and command-line applications, and Java/Python wrapping.

The Select Component for React.js

Define infrastructure resources using programming constructs and provision them using HashiCorp Terraform

Google Cloud Client Libraries for Go.

The source code that powers readthedocs.org

A collection of various notebook extensions for Jupyter