DVSI AMBE3000 Digital Voice Vocoder on USB

Baud Rate: 460,800

HW only, SW Provided and supported by others:

BlueDV by David, PA7LIM
DSTAR, DMR, & Yaesu Fusion. Runs on Android & Windows 

Buster by Anna, NH6Z
DSTAR on MacOS. Available on the App Store

AMBEServer
Allows network access to your ThumbDV™