Orbiter AI - Detect business issues without staring at a dashboard
Really Good UX - A library of screenshots for UX inspiration
Hotjar - The #1 Leader in Heatmaps, Recordings, Surveys & More. Sign up for a 15-day free trial and start learning from real user behavior today!
Usability.gov - Resource for user experience (UX) best practices & guides
heatmap.js - Dynamic Real-time Heatmaps for the Web
UX Check - Easy heuristic evaluations on your website (chrome ext.)