To-do list that sits in your menu bar. Simply click the check mark and your personal to-do list will appear....
CheckOff is a to-do application that can use DropBox or similar services to synchronize data between your Mac OS computers....
Brings a fresh-take to the notoriously dull tasks of customer service.
Check In Desk is a way for organizations to keep track of attendance.
This app lets you challenge a friend to a quick checkers match.