Teletype for Atom : Teletype for Atom lets developers share their workspace with team members and collaborate on code in real time.
Bounce : A fun and easy way to share ideas on a website
metaflop : Metaflop is an easy to use web application for modulating your own fonts. Metaflop uses Metafont, which allows you to easily customize a font within t...
Etherpad is an Open Source online editor providing collaborative editing in really real-time powered by Node.js
