PowerMapper - Create visual HTML site maps and XML sitemaps for search engines of any web site quickly and easily.
UI Movement - The best UI design inspiration, daily
Octopus.do - Build your website structure in real-time and rapidly share it to collaborate with your team or clients. Start prototyping websites or apps instantly.
UI Garage - Specific mobile and web design patterns for your inspiration
FlowMapp - FlowMapp is a UX planning tool for creating visual sitemaps and user flow.
CodeMyUI - Handpicked code snippets you can use in your web projects