Invision App


Specs and Guidelines

A handy table of popular device screen dimensions and other important information



Curated Font Pairing in the Wild


A handy table of popular device screen

Product Hunt


5. Pttrns

A beautiful collection of the best mobile design resources and inspiration

Mobile design comes with a lot of constraints, so coming up with a truly innovative—and problem-solving—interface can be a challenge. Pttrns gathers the best, most innovative mobile designs on the market to help you get inspired.

6. Flat UI Design

A showcase of standout web designs using the flat UI style

Web trends come and go, but between Google’s Material Design and Apple’s latest OSs, it seems “flat” is here to stay. And with any new aesthetic comes new user experience challenges and best practices. Flat UI Design curates flat designs grounded in solid UX principles from a variety of industries.


A easy-to-use repository of design guidelines for popular websites

Let’s say you’re building a landing page and marketing wants a sharing button for every social network out there. Know where to find them? Skip hours of Googling and proceed directly, which gathers links to many major brands’ assets and standards all in one place.