Really Good UX - A library of screenshots for UX inspiration
Social Champ - Social Champ - The Efficient Social Media Management Tool and Scheduler
Usability.gov - Resource for user experience (UX) best practices & guides
Social Aider - Social Aider is an affordable, user-friendly social media management tool that helps businesses to enhance their marketing campaigns.
UX Check - Easy heuristic evaluations on your website (chrome ext.)
AWARIO - Track brand mentions & competitors across the web