MICROTONE 5000, new free Microtonal synth VST. 64-bit Windows. 
Latest version: v0.91 (April 16, 2023). FIXED TUNING PICKER PROBLEM. If you’ve used this VST before, please read the text doc in the zip for old users.
VST3: DOWNLOAD MICROTONE 5000, + manual + microtonal primer. 7.2 megs.
VST2: DOWNLOAD MICROTONE 5000, +>manual + microtonal primer. 7.2 megs.
Web page with more information.
Simple Microtonal Sampler
Latest version: v1.6 (April 16, 2023). FIXED TUNING PICKER PROBLEM. If you’ve used this VST before, please read the text doc in the zip for old users.
VST3: Simple Microtonal Sampler v1.5, + manual + microtonal primer. 7.4 megs.
VST2: Simple Microtonal Sampler v1.5, manual + microtonal primer. 7.4 megs.
Web page with more information.
ORION RING MODULATOR
VST3: ORION RING MODULATOR, + manual + microtonal primer. 2.8 megs.
VST2: ORION RING MODULATOR, manual + microtonal primer. 2.8 megs.
Web page with more information.
I thought about at least putting the NAME of the VST small, in the corner, but it’s more Zen not to, and you can see it in the DAW anyway.
I picked this color scheme because Google BARD AI said it was the right choice (I thought it was before that):
