Time Buddy - Time Buddy brings a colorful world clock.
UXTesting - Discover how your mobile users feel
Time Zone Converter - Time Zone Converter is an online productivity tool to calculate exact time across time zones.
Startup Timelines - How the frontpages of famous startups changed over time
World Clock - World Clock is an app that lets you see the time of any city in the world.
Laws of UX - Key maxims that designers must consider when building UX