8ve Oscillator (Home page)
An oscillator with sine, square, pulse, triangular, sawtooth and noise. Fundamental frequency can be changed (except noise!) in octaves between 125 Hz, and 16 kHz or set to arbitrary values in the hearing range (20 Hz to20 kHz). Useful for acoustic, equipment and hearing testing.

8ve Oscillator Lite (Home page)
A lite version of 8ve Oscillator sharing all its features except that the fundamental frequency can not be set arbitrarily and its range of octaves is limited to being between 250 Hz and 8 kHz. Useful for acoustic, equipment and hearing testing.

Organ Stops (Home page)
Shows all footages of all pipe organs stops along with a library of nearly 600 stop names for manuals and over 300 stop names for pedals. Touching the stop knob plays the bottom note for that footage including a 128' pedal stop which has a frequency of 4 Hz (4 times a second) and yes you can hear this on an iPhone/iTouch loudspeaker!

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