Harmonic generator sound effect plugin for creative sound design. Shinechilla allows you to generate 2nd, 3rd, and 4th harmonics and blend them with the original dry sound.

Beeper is a free auxiliary audio processing plugin which you can use to insert short beep, noise burst, or silence signals to any sound material. This may help you protect your work from unauthorized use.

Hihat tone generator (uses original sound as control voltage).

Deep noise tone source.

It lets you go from regular noise to deep dark noise to purely subsonic rumble.

The Airwindows deep noise oscillator, as a sound reinforcer.

Unpredictable distorty noise!

Just a special treble-erode noise.

Literally control voltages for digital workstations.