Really Good UX - A library of screenshots for UX inspiration
SAYMYNAME: Footballers - It's time to stop butchering footballers names.
Usability.gov - Resource for user experience (UX) best practices & guides
Guess That Product! - The team at Millions made a simple game where you try to Guess That Product!
UX Check - Easy heuristic evaluations on your website (chrome ext.)
Glimpse - Discover trends before they're trending