WebTorrent : WebTorrent is a streaming torrent client for the web browser and the desktop.
WebTorrent is written completely in JavaScript – the language of the web...
Chrome Experiments : Google Chrome Experiments is an online showroom of web browser based experiments, interactive programs, and artistic projects.
Cypress : JavaScript End to End Testing Framework. Fast, easy and reliable testing for anything that runs in a browser.
PouchDB : PouchDB is an open-source JavaScript database inspired by Apache CouchDB that is designed to run well within the browser.
PouchDB was created to help ...
A JavaScript file you can insert into your pages to simulate the Firebug console in browsers that are not named Firefox.