VB-Audio VoiceMeeter, Virtual Audio Cable, Soundflower, Loopback, BlackHole Audio Loopback Driver, Dante Via, Synchronous Audio Router, VB-Audio Virtual Cable, Sound Siphon, Dante Virtual Soundcard, GroundControl, PipeWire, AudioBus, SoundDesk, SoundDesk Virtual Devices, Helvum are some alternatives to JACK Audio Connection Kit.