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/
Avocado is a tool in the Mobile Prototyping & Interaction Design Tools category of a tech stack.
Here’s a list of reasons why companies and developers use Avocado.