FlowMapp - FlowMapp is a UX planning tool for creating visual sitemaps and user flow.
Really Good UX - A library of screenshots for UX inspiration
UX Archive Animated - iOS apps animated user flows
MockFlow - A super easy wireframing tool with all the other tools you need in the product design process
Page Flows - User flow design inspiration for mobile & desktop
Talebook - Understand your client and kick-off your new project!