Contra Wireframe Kit - Open source wireframe kit for design and prototyping 🚀
Hackr.io - There are tons of online programming courses and tutorials, but it's never easy to find the best one. Try Hackr.io to find the best online courses submitted & voted by the programming community.
Platforma - Wireframe library of layouts and UI elements
Quick Code - Curated list of free online programming courses
Craftwork - A collection of User Interface resources made by Craftwork
golang.dk - Online courses that are better than books and faster than video.