Flume : A React-powered node editor and runtime engine. Build apps that are resilient to changing requirements by modeling your business logic as a JSON graph...
Cufón : Cufón aims to become a worthy alternative to sIFR, which despite its merits still remains painfully tricky to set up and use.
EtherPad : Etherpad is an Open Source online editor providing collaborative editing in really real-time powered by Node.js
Strut : An HTML5 Presentation Editor. A GUI / Authoring Tool for ImpressJS and Bespoke.js
Source at https://github.com/tantaman/Strut
google-mobwrite : MobWrite converts forms and web applications into collaborative environments. Create a simple single-user system, add one line of JavaScript, and inst...