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

Powerful MVC web framework for Node.js.

Modern concurrency tools including agents, futures, promises, thread pools, supervisors, and more. Inspired by Erlang, Clojure, Scala, Go, Java, JavaScript, and classic concurrency patterns.

The Functional toolkit for Kotlin HTTP applications. http4k provides a simple and uniform way to serve, consume, and test HTTP services.

A transport layer for coarray Fortran compilers.

Engine re-implementation and data interchange for games by Retro Studios

NodeJS Live proChat

Python deserialization library for Unity3D Asset format

The Stratagus strategy game engine

A Fabric-based modpack for Minecraft that focuses on performance and graphics optimizations

A simple unified API that can access both the server and embedded Neo4j database. Used by the neo4j gem

Padrino is a full-stack ruby framework built upon Sinatra.

A delightful and complete interface to GitHub's amazing API

Shapash makes Machine Learning models transparent and understandable by everyone

Asynchronous streaming communication for Clojure - web server, web client, and raw TCP/UDP

24 Lessons, 12 Weeks, Get Started as a Web Developer

Main repo. Quil source code.

Self-driving car simulator for the Duckietown universe

📦🔐 A lightweight Node.js private proxy registry

Returns old TweetDeck, for free!

{{range-slider}} component for ember-cli powered by noUiSlider

Specs - Parallel ECS

This is the COVID-19 CovidSim microsimulation model developed by the MRC Centre for Global Infectious Disease Analysis hosted at Imperial College, London.

An extensible SQL generation library for JavaScript with a focus on introspectibility

A long list of (advanced) JavaScript questions, and their explanations :sparkles:

Superfluid Protocol Monorepo: the specification, implementations, peripherals and development kits.

Build SMS applications with Python

A 3D Mapping Engine & SDK for OpenSceneGraph.

A multipurpose Discord Bot designed to carry out most of your server's needs with great performance and stability.

Realtime Client Server Framework for the JVM, supporting WebSockets with Cross-Browser Fallbacks

Flow PHP - data processing framework

Workman keyboard layout

🐍 A Python lib for (de)serializing Python objects to/from JSON

🧿 Bolt 5 core

Pa11y CI is a CI-centric accessibility test runner, built using Pa11y

Getting a fresh redesign with v4.0.0

local-first semantic code search engine

Ring plugin for Leiningen

ZMQ-based RPC with HTTP support for SCADA applications in python

An open source, git-ops, zero-trust secret encryption and decryption solution for Kubernetes applications

a FindBugs/SpotBugs plugin for doing static code analysis for java code bases

aiogram is a modern and fully asynchronous framework for Telegram Bot API written in Python using asyncio

Haskell library for command line argument processing

bitcoin-core 0.13 fork ported for NavCoin

Run your shipment business like a panther

:coffee: Symja - computer algebra language & symbolic math library. A collection of popular algorithms implemented in pure Java. Inspired by Wolfram Language built-in functions.