HabitRPG gamifies your life by turning all your tasks into little monsters you have to conquer. The better you are at this, the more you progress in the game. If you slip up in life, your character starts backsliding in the game.
You might find my User Data Display tool to be helpful in managing your tasks and your avatar's stats.
This is probably all too old to be useful, but it's still here in case I'm mistaken about that.
For users of the Palm ThinkDB / SmartListToGo database program, here's a database to help you organise storage or packing boxes. It was created a few years ago and I no longer use SmartListToGo so I can't be sure it's compatible with recent versions.
Frac4D was a delightful four-dimensional version of Tetris which was available for DOS a couple of decades ago. Its exe file still worked on Windows PCs a few years back. I'm not sure about now since I don't have a Windows machine handy.
latest update: 27 October 2014