Really Good UX - A library of screenshots for UX inspiration
Rage Grade by FullStory - Benchmark your customer frustration
UX Archive Animated - iOS apps animated user flows
Shuffle for Bootstrap - Bootstrap drag and drop builder for busy developers.
FlowMapp - FlowMapp is a UX planning tool for creating visual sitemaps and user flow.
Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.