Freeware - Studiologic Numa Player VSTi Plugin

https://www.studiologic-music.com/products/numaplayer/

Numa Player is a completely free virtual instrument. It's not only the perfect companion for your SL Keyboard, but it is also much more! The User Interface scales to different monitor sizes to fit best in your Audio/MIDI setup and makes Numa Player the first Studiologic Instrument Player available for Mac, Windows and iOS.