VAcard - [NOTE: You can download the application from ...
TrueFire - The Best Guitar Lessons Online Fast. Easy. Fun.
VB-Audio Virtual Cable - Connect Audio Applications together with a Virtual Audio Device
AudioBus - With Audiobus, the revolutionary new inter-app audio routing system, you can connect your...
SoundDesk Virtual Devices by LoudLab - SoundDesk Virtual Devices - Software devices to route audio across macOS.
Go Button - Go Button is a mobile audio app designed to provide professional playback of music and sound effects for live shows. It provides a creative, self-contained show control system that runs on your iPad, iPhone, or iPod touch.