I guess the closest to a decent FOSS piano plugin is MDA Piano, or perhaps search for piano samples. Perhaps someone has created a decent piano preset for the dexed FM synth (but will probably sound very 80s). I’m using pianoteq (unfortunately proprietary, but it has native linux support and sounds good).
FOSS 88 key pianos
I’ve wanted to get back into piano and to start off I was wondering if there was any decent FOSS piano software for linux?