They sure are! Another great open source synth that is currently tearing up a storm in the music-making world is VCV Rack: https://vcvrack.com https://vcvrack

They sure are! Another great open source synth that is currently tearing up a storm in the music-making world is VCV Rack: https://vcvrack.com https://vcvrack.com This app allows one to create - quite reliably - a modular synth system of your dreams, with many emulations of existing hardware modules being produced by the designers of those modules, themselves! And .. there are more modules released every day. So many modules its hard to keep track of, actually. So, if you're a synth nerd, get a look at VCV Rack .. seriously with this and Helm, not really much point in running other soft synths, at this point! :)