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Produce sound effects.

Create custom sheets of graph paper.

Advanced photo and metadata uploading from iPhoto directly to Flickr.

Export photos and metadata from Aperture directly to Flickr.com.

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.