Yes, you read that correctly. FL Studio can be loaded as a plugin inside Ableton, Logic, Cubase, or Pro Tools via ReWire or the new VSTi version.
: A highly flexible saturation plugin.
Since you cannot download the official Fruity Waveshaper VST, you need alternatives that produce identical effects. Here are the top 3 waveshaper VST plugins that you can download right now. Fruity Waveshaper Vst Download