openDAW : openDAW is a next-generation web-based Digital Audio Workstation (DAW) designed to democratize music production and to resurface the process of making...
Tabula : Tabula helps you liberate data tables trapped inside PDFs
EtherPad : Etherpad is an Open Source online editor providing collaborative editing in really real-time powered by Node.js
Codassium : A better way to conduct remote interviews
WebRTC based video chat + code editor = Awesome interviews
Ready for Rails 4? : Check easily whether a gem is ready for Rails 4 or not.