• 

  Efficient To-Do List Free Portable 14 Aug 18

• 

  Timetable 23 Sep 15

• 

  CalendarPal 22 Jan 15

• 

  PC Countdown 27 Oct 15

• 

  Google Calendar Windows Client 8 Dec 14

• 

  Pimlical 21 Feb 15

• 

  Calme 31 Dec 14

• 

  Countdown Remaining Time or Count Elapsed Time Software 16 Apr 15