FLOORFISH is a simple expander / gate device, easy to set up and offers a broad variety of processing, ranging from slight expansion, background noise attenuation to extreme gating effects.
What’s different from similar units is the ability to scan the source and adjust the transistion curve accordingly.
The mac version will most certainly not work on current Macs! They weren’t compiled for Intel-based Macs at all (due to the age of the code base…). So the software might only be of use for older machines…
Windows users: 32bits only here. Don’t ask for x64. No way.