Avocado vs Impulse: What are the differences?

What is Avocado? An interaction design toolbox. 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/.

What is Impulse? Dynamic JS Animations for the Mobile Web. Create animations that flow naturally from the user's movements. Rather than animating properties for a set amount of time, impulse takes a start position, end position, and velocity.

Avocado and Impulse can be categorized as "Mobile Prototyping & Interaction Design" tools.

Some of the features offered by Avocado are:

• Carousel, creates a swipeable carousel of images.
• Bistable, makes an element snap to two positions.
• Master Detail, creates a Master-Detail relationship between two views

On the other hand, Impulse provides the following key features:

• Springing
• Accelerating
• Decelerating

Impulse is an open source tool with 1.63K GitHub stars and 77 GitHub forks. Here's a link to Impulse's open source repository on GitHub.