If you haven't used it before but are willing to give it a try on your machine and let me know if it works, I'd really appreciate it. It's free and lightweight, and a nice little synth. It can be downloaded here if anyone's willing to give that a quick try for me https://daichilab.sakura.ne.jp/softsynth/index.html. Source: 10 months ago

Have you tried the free VST called Synth1? you'll probably find these sounds in there, or something that sounds close to this- because the sounds above are pretty straightforward - you can get Synth1 from here - https://daichilab.sakura.ne.jp/softsynth/index.html. Source: about 1 year ago

Synth1 is the OG free VA synth and can make some great Synthwave tones: https://daichilab.sakura.ne.jp/softsynth/index.html. Source: about 1 year ago

Synth1 (Nord Lead 2 style synth) + Synth1 Librarian + Presets. Source: over 1 year ago

Just to be clear SynthV1 and Sythn1 are not the same thing :>. Source: over 1 year ago

Maybe something like this? https://vmpk.sourceforge.io. Source: about 1 year ago

Second. Are you sending and recovering normal MIDI Notes okay? This rules out most connectivity issues between your OS, software and hardware. You can use Pocket MIDI and VMPK to test this out. Source: over 1 year ago

Emulate midi input. Run a loopback midi driver and a program that can send (and optionally receive) midi. For example, you can run LoopBe1 and VMPK. This setup also works for people without a midi keyboard; they can use a conventional keyboard to provide input to VMPK, which will then generate the midi notes for LoopBe1 (which VRChat will pick up). Just make sure that the Midi Output Driver in VMPK is set to... Source: over 2 years ago

VMPK (https://vmpk.sourceforge.io/) is handy too - it's a virtual MIDI keyboard that you can use to play some of the stuff in MAME if you don't have a real MIDI keyboard of some sort. Works on Windows, Linux, and Mac. Source: almost 3 years ago

I found this: Https://vmpk.sourceforge.io. Source: about 3 years ago