UI Movement - The best UI design inspiration, daily
Usersnap - Visual Feedback - Usersnap helps your business with its versatile feedback platform to build better, more successful products and services with the help of user feedback. Collect feedback along your product development lifecycle. Try it for free.
Muzli - UI/UX and Design Inspiration Chrome Extension
BeFrank - Feedback platform for graphic designers
Pointzi - Design and deliver mobile onboarding, guides and help tips without writing code or needing App releases. The only solution for Web, Mobile and Hybrid Apps.
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.