TeamLogger - Simple, employee time-tracking software with automatic screenshots and activity level monitoring. $1 / User / Month.
Gone - An ephemeral to-do list
Monitask - Employee Monitoring Software with Screenshots, Internet, Activity and Time Tracking
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Time Doctor - Time Tracking and Time Management Software that is accurate and helps you to get a lot more done each day.
Check - Check is a unit testing framework for C, which runs on environments such as GNU/Linux, GNU/Hurd, BSD, and Mac OSX.