EtherPad : Etherpad is an Open Source online editor providing collaborative editing in really real-time powered by Node.js
Feed43 : Your favorite site doesn't provide news feeds?
This free online service converts any web page to an RSS feed on the fly.
MUTE : Web-based text editing tool that allows to edit documents collaboratively in real-time. It implements a CRDT-based consistency maintenance algorithm f...
SensioLabs Security Advisories Checker : The SensioLabs security advisories checker is a simple tool, available as a web service or as an online application, that uses the information from yo...
Mind42 : Collaborative mind mapping in your browser
A better way to conduct remote interviews
WebRTC based video chat + code editor = Awesome interviews
