UX Flow Wireframe Prototyping System - Create beautiful user flows prototypes for your next project
Really Good UX - A library of screenshots for UX inspiration
Freddy Feedback - Freddy Feedback is a tool to get feedback from your visitors and customers on anything that you communicate to them on your website.
Laws of UX - Key maxims that designers must consider when building UX
Userflows - Automatically generate user journeys
UX Timeline - See how some of today's best companies have evolved