EtherPad : Etherpad is an Open Source online editor providing collaborative editing in really real-time powered by Node.js
code2flow : Interactive code to flowchart converter. Turn your workflows, algorithms and manuals into easy to understand diagrams via simple code.
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...
Mockingbird : Mockingbird is an online tool that makes it easy for you to create, link together, preview, and share mockups of your website or application.
Ready for Rails 4? : Check easily whether a gem is ready for Rails 4 or not.
A better way to conduct remote interviews
WebRTC based video chat + code editor = Awesome interviews