Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Foursquare - Foursquare is all about helping you find new ways to explore your city.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Mapple.me - Mapple.me bridges the gap between available time and availability of friends to increase social...
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.