Bounce : A fun and easy way to share ideas on a website
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.
Favicon Generator : Upload an image (GIF, JPEG or PNG) and convert it to a Windows favicon (.ico)
Etherpad is an Open Source online editor providing collaborative editing in really real-time powered by Node.js
