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

IntelliJ Plugin for Ceylon

Adds support for creating state machines for attributes on any Ruby class

Concourse is a container-based continuous thing-doer written in Go.

An API focused facade that sits on top of an object model.

🚀 A simple way to train and use PyTorch models with multi-GPU, TPU, mixed-precision

the ninja of .net dependency injectors

A simple, Git-powered wiki with a sweet API and local frontend.

PartyKit simplifies developing multiplayer applications

📱  A strongly-typed, caching GraphQL client for iOS, written in Swift.

Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later.

An interactive board with plugins focusing on replacing the need of multiple platforms for teaching, presenting, managing or explaining your ideas (Public Beta 🌎 )

A collection of composable React components for building interactive data visualizations

pushState + ajax = pjax

A transpiler that converts Python code into Java bytecode

A guide to contributing to open source

Tensors and neural networks in Haskell

A modern Docker LAMP stack and MEAN stack for local development

Ramda Adjunct is the most popular and most comprehensive set of functional utilities for use with Ramda, providing a variety of useful, well tested functions with excellent documentation.

Community designed ERCF v2

A static website and blog generator

An alternative tibia client for otserv written in C++11 and Lua, made with a modular system that uses lua scripts for ingame interface and functionality, making otclient flexible and easy to customize

MetaCall: The ultimate polyglot programming experience.

BNF Converter

A full-stack DevOps on AWS framework

Contribute Packages to Bioconductor

Breeze is a numerical processing library for Scala.

IoT Hub Portal

Simple microblogging network based on the ostatus protocol.

Colour Science for Python

Fortio load testing library, command line tool, advanced echo server and web UI in go (golang). Allows to specify a set query-per-second load and record latency histograms and other useful stats.

High performance, minimalist Go web framework

Angular (2+) QR code, Barcode, DataMatrix, scanner component using ZXing.

A web-based frontend for RetroArch

React friendly API wrapper around MapboxGL JS

Open IoT Framework

Typescript video-editing framework for the browser

Finally, an easily stylable semantic HTML data grid widget with a Javascript API that doesn't suck.

Ergonomic and modular web framework built with Tokio, Tower, and Hyper

An extendable video-editing framework for the browser

Drone is a Continuous Delivery platform built on Docker, written in Go

A few starter examples of ansible playbooks, to show features and how they work together. See http://galaxy.ansible.com for example roles from the Ansible community for deploying many popular applications.

The place to report Octoblu issues

Mozilla extension: Minimize windows into the system tray (Firefox, Thunderbird, Seamonkey, Instantbird)

High performance file syncing and sharing, with also Markdown WYSIWYG editing, Wiki, file label and other knowledge management features.

Dependency manager for the Crystal language

async fn(Request) -> Result<Response, Error>

Genome assembly evaluation tool

EnvFile 3.0 is a plugin for JetBrains IDEs that allows you to set environment variables for your run configurations from one or multiple files.