Really Good UX - A library of screenshots for UX inspiration
Bytesized - Weekly newsletter covering important ideas for developers 💌
Usability.gov - Resource for user experience (UX) best practices & guides
Level Up! Newsletter - Helping web designers and developers level up their skills
UX Check - Easy heuristic evaluations on your website (chrome ext.)
Taco Digest - Customizable personal email newsletter created from your favorite sources.