UXTesting - Discover how your mobile users feel
Flamp - Reviews of companies in your city.
Startup Timelines - How the frontpages of famous startups changed over time
OpenVegeMap - Find vegetarian and vegan restaurants in your city
Laws of UX - Key maxims that designers must consider when building UX
Vegetarious - Vegetarian Guide - Share and explore vegetarian and vegan dining experiences with Vegetarious.