ChocolateChip-UI provides a wide number of layouts, widgets and programming patterns to enble you to quickly build great mobile Web apps.
It’s time for designers to implement their own iOS designs.
The site has a great repository of goodies for Sketch App.
The best thing about this kit is that it is royalty free for both commercial and personal use!
Patterns and modules help us design for mobile, but they’re not enough. Enter object mapping: a method for modeling information
Change the way you design with the most powerful prototyping platform (so they say) on the planet.
Framer is a new creative tool to build interaction and animation prototypes.
Ratchet: Build mobile apps with simple HTML, CSS, and JS components.
By: Components · Ratchet
By UX Magazine.