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

JavaScript 3D library.

A JavaScript checker and optimizer.

A browser extension that encrypts your communications with many websites that offer HTTPS but still allow unencrypted connections.

Sentry is a cross-platform crash reporting and aggregation platform.

Serverless Framework – Build web, mobile and IoT applications with serverless architectures using AWS Lambda, Azure Functions, Google CloudFunctions & more! –

coala provides a unified command-line interface for linting and fixing all your code, regardless of the programming languages you use.

Node.js JavaScript runtime :sparkles::turtle::rocket::sparkles:

:atom: The hackable text editor

One framework for creating powerful cross-platform games.

PDF Reader in JavaScript

Optional static typing for Python 2 and 3 (PEP484)

:tropical_fish: Babel is a compiler for writing next generation JavaScript.

A D3-based reusable chart library

A D3-based reusable chart library

Get your data in RAM. Get compute close to data. Enjoy the performance.

📱 Nextcloud Android app

The Rust package manager

Mautic: Open Source Marketing Automation Software.

Scrapy, a fast high-level web crawling & scraping framework for Python.

Next generation Brave browser for macOS, Windows, Linux, and eventually Android

A community-driven Emacs distribution - The best editor is neither Emacs nor Vim, it's Emacs *and* Vim!

A fast and lightweight IDE

Ushahidi Platform v3 API

Official Go implementation of the Ethereum protocol

📦🐈 Fast, reliable, and secure dependency management.

openFrameworks is a community-developed cross platform toolkit for creative coding in C++.

NumPy aware dynamic Python compiler using LLVM

A keyboard-driven, vim-like browser based on PyQt5.

A keyboard-driven, vim-like browser based on PyQt5.

Algorithms that run our universe | Your personal library of every algorithm and data structure code that you will ever encounter

Emscripten: An LLVM-to-JavaScript Compiler

Theano is a Python library that allows you to define, optimize, and evaluate mathematical expressions involving multi-dimensional arrays efficiently. It can use GPUs and perform efficient symbolic differentiation.

Metasploit Framework

A terminal built on web technologies

OpenLayers

A Python to C compiler

JRuby, an implementation of Ruby on the JVM

Azure Container Service Engine - provision and deploy container orchestrators on Azure: Kubernetes, DC/OS, and Docker Swarm.

Convert HTML to PDF using Webkit (QtWebKit)

ClickHouse is a free analytic DBMS for big data.

📦🚀 Blazing fast, zero configuration web application bundler

Materialize, a CSS Framework based on Material Design

N-D labeled arrays and datasets in Python

Very spicy additions to the Java programming language.

Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.

WordPress for iOS - Official repository

Semantic is a UI component framework based around useful principles from natural language.

Cocos2d-x is a suite of open-source, cross-platform, game-development tools used by millions of developers all over the world.

The host/runtime that powers Azure Functions

Material Design components for Angular