Avocado

Avocado is an open source interaction design toolbox built by​ IDEO.​ It ​enables designers to make quick interactive prototypes without writing a line of code.​ ​Built on top of Facebook's Origami framework, Avocado provides ready-to-use patches that can be easily combined to create fully-customized prototypes.​ Official announcement: http://labs.ideo.com/2014/05/27/avocado/