Douglas Electronics, Inc. offers everything for the electronic designer, from free and commercial design software through prototyping boards and production services.

Two utilities by John McKernon Software designed for lighting electricians and designers in theatrical environments.

A PowerPC-only utility by Channel D Corporation that includes vector trace oscilloscope, spectrum analyzer, 1/3 octave RTA, spectrogram/sonogram displays, and a built-in, versatile and easy to use waveform and signal generator.

Mac OS application for curve fitting, plotting, and data/function analysis.

A mathematical modeling program with advanced charting and graphing capabilities.

A Macintosh program, by Texas Instruments, that interacts with the TI-73, 83, 86, 89, and 92 models of their graphing calculators.

A versatile, easy to use software-based signal generator by Channel D Corporation that is invaluable for audio testing and laboratory applications.

WaveMetrics produces the IGOR family of technical computing products for the Apple Macintosh Computer. WaveMetrics products are used by scientists and engineers around the world.