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

The Journal of Open Source Software

Runtime type system for IO decoding/encoding

Luigi is a Python module that helps you build complex pipelines of batch jobs. It handles dependency resolution, workflow management, visualization etc. It also comes with Hadoop support built in.

Declarative routing for React

RDoc produces HTML and online documentation for Ruby projects. RDoc includes the rdoc and ri tools for generating and displaying online documentation.

:wrench: Utility library for GraphQL to build, stitch and mock GraphQL schema using SDL

The Robot Operating System, is a meta operating system for robots.

A platform for community discussion. Free, open, simple.

The fast, light, and robust client for Ethereum-like networks.

High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems like vehicles, robots, and the human skeleton.

An experimental toolset for Unity asset and asset bundle files.

JavaScript Style Guide

Event-driven Automation Framework for Kubernetes

:robot::speech_balloon: An easy-to-use and highly extensible IRC Bot framework. Formerly Willie.

[Go] Package of validators and sanitizers for strings, numerics, slices and structs

Distributed bug tracker embedded in Git

Weave GitOps is transitioning to a community driven project! It provides insights into your application deployments, and makes continuous delivery with GitOps easier to adopt and scale across your teams.

Where programmers share ideas and help each other grow

A C/C++ implementation of a Sass compiler

sbt Native Packager

Grunt: The JavaScript Task Runner

Contribution analysis tool for Git repositories

Wrapper of syncthing for Android.

For empowering community 🌱

This Bundle provides various tools to rapidly develop RESTful API's with Symfony

A modern genome browser built with JavaScript and HTML5.

pg_search builds ActiveRecord named scopes that take advantage of PostgreSQL’s full text search

Ticket shop application for conferences, festivals, concerts, tech events, shows, exhibitions, workshops, barcamps, etc.

The Orator ORM provides a simple yet beautiful ActiveRecord implementation.

Kubernetes-based, scale-to-zero, request-driven compute

The Ember.js command line utility.

Simple, private file sharing from the makers of Firefox

BuildCLI is a command-line interface (CLI) tool for managing and automating common tasks in Java project development.

A sophisticated build management system for web apps (formerly ng-boilerplate). Created by @joshdmiller

Making it easier for nonprofits to manage their project activities and indicators

⛔️ [DEPRECATED] A reusable iOS rich text editor component.

The Swift code generator for your assets, storyboards, Localizable.strings, … — Get rid of all String-based APIs!

Simple javascript toast notifications

A Python package to manage extremely large amounts of data

The Svelte omnisite

Build and Deploy java applications on Kubernetes

Java Client for OpenSearch

An extension to the core Scala library for functional programming.

Chronic is a pure Ruby natural language date parser.

A Ruby language server.

The OpenTelemetry .NET Client

Midori Web Browser - a lightweight, fast and free web browser using WebKit and GTK+

A modern editor with a backend written in Rust.