1)   Tone Generator 2.10
NCH Sound Tone Generator lets you create audio tones, sweeps or noise waveforms using a Windows computer with a sound card.
tone, tone generator, frequency generator, tones, sine, sine wave, wav, waveform, test tone, frequency,

 2)   Harmonix 1.1
With the Harmonix PhotoShop plug-in you can draw complex wave lines build by mixing harmonic frequencies. Useful for quickly generating oscilloscope or heartmonitor display, graphs or to play around with the concepts of harmonic frequency mixing.
wave, harmonix, harmonic, harmonics, harmony, freq, frequency, waveform, form, sin,

 3)   Archim 1.3.1
Archim is a program for drawing the graphs of all kinds of functions. You can define a graph explicitly and parametrically, in polar and spherical coordinates, on a plane and in space (surface). Archim will be useful for teachers and students.
graphs, function, graph of function, polar coordiantes, spherical coordinates, sine, cosine,

 4)   Tone Generator Professional 2.11
NCH Sound Tone Generator lets you create audio tones, sweeps or noise waveforms using a Windows computer with a sound card or a PocketPC handheld.
tone, tone generator, frequency generator, tones, sine, sine wave, wav, waveform, test tone, frequency,