EtherPad : Etherpad is an Open Source online editor providing collaborative editing in really real-time powered by Node.js
RegExr : RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).
Ready for Rails 4? : Check easily whether a gem is ready for Rails 4 or not.
Vector Magic : Easily Convert Bitmap Images To Clean Vector Art
Automatically convert bitmap images like JPEGs, GIFs and PNGs to the crisp, clean, scalable vector ar...
A better way to conduct remote interviews
WebRTC based video chat + code editor = Awesome interviews