(There's no video for RubyTube yet. Please contribute to MR and add a video now!)
RubyTube is a VST plugin that works with Steinberg's Cubase. Maybe other programs also, I don't know. It's a subtle tube amp simulator and compressor to help the amateur studio engineer get that analogue sound.
RubyTube.sit (201.05 KiB / 205.87 KB)
/ compressed w/ Stuffit
Emulating this? It should run fine under: SheepShaver