I have many more, including Diva, Voltage Modular, Analog Lab V, Memory Mode, PS-20, Surrealistic MG-20, Abyss, Biotek 2, F..em, Wiggle, Dimension Pro, Rapture, Proclethya, Iris 2, Synthmaster One & 2, all NI synths, Oberhausen, Kniforium, Lion, Europa, Objekt, Codex, Elements.
I'm using Falcon the most because it's the most universal: it can act as a sample player, a drum rack, supports many of synthesis types and has tons of effects and filters, than can be directly automated.
So it's key to the strategy I'm presently using to be least DAW dependent: a project mostly based on Falcon can be easily ported from Studio One to Live or whatever. What most people do in Ableton, chaining effects and EQs, I do directly in Falcon.
The biggest limit to this workflow is that Falcon, like most synths, does not accept external sidechains. So I'm doing sidechain compression in the DAW.