Invision - Prototyping and collaboration for design teams
Product Disrupt - A design student's list of resources to learn Product Design
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Webflow University - Teaching the next generation of web design with Webflow
Craftwork - A collection of User Interface resources made by Craftwork
Designlab - Learn design by doing, with hands-on projects & mentorship