The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

Build cross-platform desktop apps with JavaScript, HTML, and CSS

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

Node.js Production Process Manager with a built-in Load Balancer.

Async utilities for node and the browser

The open-source database for the realtime web.

OpenZeppelin Contracts is a library for secure smart contract development.

A javascript library for multi-touch gestures :// You can touch this

A logger for just about everything.

Realtime MVC Framework for Node.js

Stand-alone parallax scrolling library for mobile (Android + iOS) and desktop. No jQuery. Just plain JavaScript (and some love).

React Native Mapview component for iOS + Android

Pure Go implementation of the WebRTC API

Grab the color palette from an image using just Javascript. Works in the browser and in Node.

A showcase of problems once hard or impossible to solve with CSS alone, now made trivially easy with Flexbox.

A responsive image polyfill for <picture>, srcset, sizes, and more

 Swiss Army Knife for macOS

Kue is a priority job queue backed by redis, built for node.js.

A free & open modern, fast email client with user-friendly encryption and privacy features

A javascript finite state machine library

A refreshing JavaScript Datepicker — lightweight, no dependencies, modular CSS

Light, flexible and extensible ASGI framework | Built to scale

A great looking and easy-to-use photo-management-system you can run on your server, to manage and share photos.

NodeJS Instagram private API SDK. Written in TypeScript.

Like Underscore, but lazier

ActiveModel::Serializer implementation and Rails hooks

Prelude is an enhanced Emacs 25.1+ distribution that should make your experience with Emacs both more pleasant and more powerful.

Pythonic Smart Contract Language for the EVM

Simple pub/sub messaging for the web

A fluid and flexible grid Sass framework