Appogee Leave - PARIM Workforce Management Software
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Absence - Employee vacation tracking system
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.
CWS TimeOut - CWS TimeOut is an online leave tracking software or absence management solution that can also be installed on the server.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.