UI Movement - The best UI design inspiration, daily
Refactoring UI - Learn UI design through case studies
UI Garage - Specific mobile and web design patterns for your inspiration
rFactor - rFactr provides social business solutions designed to produce tangible revenue, returns, and results for enterprise companies.
CodeMyUI - Handpicked code snippets you can use in your web projects
Mindful (Beta) - A space for your thoughts, ideas, and ongoing tasks