UI Movement - The best UI design inspiration, daily
OpenX - Ad technology platform available as a hosted service or as an open source download.
UI Garage - Specific mobile and web design patterns for your inspiration
Google Ad Manager - Grow revenue wherever your users are with an integrated ad management platform that surfaces insights for smarter business decisions.
CodeMyUI - Handpicked code snippets you can use in your web projects
MicroAcquire - A free & anonymous startup acquisition marketplace