> A resonant filter you are REALLY going to use, and it is FREE !
>
> This plug-in can offer some unique sounds, from slow and deep filter
> sweeps to the most savage tones with high resonance setting and
> heavy distortion.
>
> > The basics of Frohmage are a Low Pass Filter, but the resonance
> applies to a controlled number of harmonics. This way, you can
> achieve a bright sound even with a low cutoff. All filter bands can
> be delayed with only one knob, giving nice phaser effects or weird
> gliding echos. Musical use is one of the points : you can easily
> tune the filter to be in resonance with particular notes in your
> music.
>
> > The final distortion stage smoothly overdrives the sound to make
> it really fat and analog-like. Two distortion schemes can be
> selected to get a screaming beast of a powerful and warm sound. By
> the way, don't expect to generate the tones from Frohmage with
> another device (even costly, sorry...) : Like our other products, it
> goes far beyond the usual effect...
>
> Too bad, you'll have to get used to the smell of French cheese...
>
> Features
>
> > Highly resonant low-pass filter.
>
> > Cutoff frequency unit selection : Hz or musical note.
>
> > Up to 15 additional bands, harmonically distributed.
>
> > Delay on each band for unique phaser effects.
>
> > Distortion stage, with two routing schemes.
>
> > Low CPU load.
Frohmage has recently been deprecated in favour of the new Frohmager
plugin. The download links are still active and I've added the page to
the purchase link.