Full software audio routing setup with ASIO Link Driver : r/Twitch
DS WASAPI ASIO Router Mixer - Audio router and mixer
3delite DS WASAPI ASIO Router Mixer Free Download - ALL PC World - ALL PC Worlds allpcworld | AllPC World | All PCWorld | allpcworld.com | Windows 11 Apps
Routing audio from applications around your PC: a quick overview : r/Twitch