Timezone.io - Keep track where and when your team is.
Hubstaff - Simple yet powerful employee work tracker with screenshots, timesheets, billing, in-depth reports, and more. Understand productivity issues and act on them.
Time Tracking for Freelancers - A simple, fully integrated time tracker for freelancers
Connecteam - Connecteam offers multi-functional team collaboration mobile application for companies that manage on-the-go teams.
Clocks - A minimal world clock app for your Mac's menubar
Gigwalk - Gigwalk is a free mobile application that enables people to find jobs in their areas whenever and wherever.