PixelSnap - Measure every pixel on your screen with ease ✨
Checklist Design - The best UI and UX practices for production ready design.
UXsniff - Track user behavior on your website and improve conversions with UXsniff: the user experience watchdog that looks out for you.
UX Recipe for iOS - Design checklist & estimation tool for your next UX project
uEye - uEye is free, fun, and an interactive way to learn UI design.
Uxcel - The easiest way to learn UX/UI design