Hubstaff - Simple yet powerful employee work tracker with screenshots, timesheets, billing, in-depth reports, and more. Understand productivity issues and act on them.
Timezone.io - Keep track where and when your team is.
Spacetime - Work hour and time zone management for distributed teams.
TimeZoneNinja - Scheduling meetings around the world just got easy
Startup Timelines - How the frontpages of famous startups changed over time
Connecteam - Connecteam offers multi-functional team collaboration mobile application for companies that manage on-the-go teams.