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

Creating delicious APIs for Django apps since 2010.

A web application for managing user experiments for Mozilla Firefox.

A highly efficient implementation of Gaussian Processes in PyTorch

Kodi is an award-winning free and open source home theater/media center software and entertainment hub for digital media. With its beautiful interface and powerful skinning engine, it's available for Android, BSD, Linux, macOS, iOS, tvOS and Windows.

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

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

Anki's shared backend and web components, and the Qt frontend

The Kubernetes Package Manager

The source code that powers readthedocs.org

A web application to manage complex group hierarchies with members, events and a lot more.

:lipstick: Universal beautification package for Atom editor

A cat(1) clone with wings.

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

Spring Batch is a framework for writing batch applications using Java and Spring

Q&A-based community knowledge-sharing software

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

Balena Supervisor: balena's agent on devices.

Meteor, the JavaScript App Platform

A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

Typed interactions with the GitHub API v3

Typed interactions with the GitHub API v3

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

A powerful all-in-one bot for Twitch streamers

A modular Wayland compositor library

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

Core integrations of the datadog agent

Emacs Python Development Environment

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

Unleash the power of Java - JBang Lets Students, Educators and Professional Developers create, edit and run self-contained source-only Java programs with unprecedented ease.

The best React-based framework with performance, scalability and security built in.

Open Source Continuous File Synchronization

Traccar GPS Tracking System

REST API for any Postgres database

Enhancements tracking repo for Kubernetes

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

A collection of various notebook extensions for Jupyter

A Swift command line tool for generating your Xcode project

A Python Interpreter written in Rust

Build a Jekyll blog in minutes, without touching the command line.

Cross-platform lib for process and system monitoring in Python

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

A modern, maintained replacement for ls

Native version of Open Food Facts on Android - Coders & Decoders welcome 🤳🥫

Application for managing recipes, planning meals, building shopping lists and much much more!

Drag and Drop Website Builder and CMS with E-commerce

Easy to maintain open source documentation websites.

Official Go implementation of the Ethereum protocol

JVM version of Pact. Enables consumer driven contract testing, providing a mock service and DSL for the consumer project, and interaction playback and verification for the service provider project.

DeaDBeeF Player