Timezone.io - Keep track where and when your team is.
Time Buddy - Time Buddy brings a colorful world clock.
TimeZoneNinja - Scheduling meetings around the world just got easy
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.