cat simulator

Antenna design and electronics calculation for ham radio.

Audio function generator, produces sine, square, triangle, sawtooth waveforms

Log and graph any health related measurement.

Computerized cart machine for playing songs, jingles sound effects, etc.

Morse Mania is a morse code tutor for the Macintosh.

MatchMake can find the optimum match for your antenna and radio.

Label Wizard lets you create your own custom sheets of labels.

Create custom knitting grids and diagrams.

Diet Sleuth is a nutritional database and personal health logbook.

Covert units of measurement like mass, volume, and density.