FB-3200 is a software instrument for Microsoft Windows (VST) and Apple macOS (VST/AU) simulating the KORG PS-3200 Polyphonic Synthesizer from 1978. It is written in native C++ code for high performance and low CPU consumption.
Poly-LD8 is a free very Poly-800 inspired VST synthesizer Instrument, will bring the Poly 800 Sound on your 32bit Daw.
Lazerwave is a free VST Synth Triangle Wave based, waveshaping Polyphonic Synthesizer with a spacy touch. It can make many kinds of sounds you may find usable for your Productions.
SE PolyMod KX is a free vintage polyphonic VST synthesizer to build analog 70’s leads! Open SE1, provided with its SE1 files and skin elements. Built for help SE community, based only on SE modules but great VA sounding! Alpha release available for Mac users.