Hi, Ash! Thanks for the share! Here is another Sketch plugin you might forget, Mockplus iDoc. https://goo.gl/x7TTi9

It’s a new collaboration design tool iDoc. With the powerful plugin of Sketch, it could help to improve your teamwork efficiency and Connect Your Entire Product Design Workflow!

Features:

Generate specs and assets automatically.

Create interactive and animated prototypes.

Make design collaboration easier.

More details here: https://goo.gl/x7TTi9