Only three, but some are quite big. Framer http://www.framerjs.com http://www.framerjs.com - Modern prototyping tool for web and mobile using javascript and cs

Only three, but some are quite big. Framer http://www.framerjs.com http://www.framerjs.com - Modern prototyping tool for web and mobile using javascript and css transitions. Cactus http://github.com/koenbok/Cactus http://github.com/koenbok/Cactus - Simple static site generator with s3 deployment aimed at designers. Cavia http://github.com/koenbok/Cavia http://github.com/koenbok/Cavia - Document store on top of sql modeled after bigtable/appengine datastore, and how FriendFeed stored data in mysql.