Allegro Sprite Editor
Program to draw animated sprites which can be used in a video game. Although it's more useful than what you can imagine, it's old-fashioned now.

GuitarTM
Tune and detune guitars. Also it has a metronome to drill your brain.

Translate2
It isn't so useful like a English-Spanish dictionary, but it's good enough to get out of a hurry.

Hablar
Developed with high-tech, it's a program which can play the human voice with perfect harmony and naturally. You'll be impressed by the fluidity of its readings :P

TTF2PCX
Some little cosmetics changes (original version by Shawn Hargreaves).

WinMath
An old program to calculate mathematic expressions.