https://guitarandbassplugins.com/doomplugs/
https://github.com/trummerschlunk
https://michaelwillis.github.io/dragonfly-reverb/
https://github.com/nofishonfriday/
https://surge-synthesizer.github.io/
CLAP public previews available on the KVR Forum. See also u-he's post on CLAP.
https://github.com/Wasted-Audio
https://github.com/wolf-plugins