Alternatives to BlackHole
Pass audio between Mac applications through a virtual loopback driver. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
BlackHole
Pass audio between Mac applications through a virtual loopback driver.
Replacements
Listings that take over the same core job as BlackHole.
Loopback
Create virtual audio devices that combine application and hardware audio on a Mac.
Loopback is a paid macOS app with a visual routing interface that combines application and hardware audio into virtual devices.
VB-CABLE
Route audio between applications through a virtual audio cable.
VB-CABLE is a free, closed-source virtual audio cable for Windows and macOS, providing a basic virtual device with extra cables under separate terms.
Also worth comparing
These listings name BlackHole as their own alternative, so the relationship runs both ways.
Audio Hijack
Capture and process audio from Mac applications and input devices.
BlackHole is a free, open-source macOS loopback driver that passes audio between apps, needing a separate recorder and manual setup in Audio MIDI Setup.
JACK Audio Connection Kit
Connect audio and MIDI applications through an audio server.
BlackHole is a free, open-source GPL-3.0 virtual loopback driver for macOS only, passing audio between Mac applications but not MIDI and not acting as a full audio server.
Voicemeeter Banana
Windows virtual mixer with five inputs and five outputs for routing audio.
BlackHole is an open-source virtual loopback driver for macOS only, offering routing channels but no mixer interface like Voicemeeter Banana.
Similar software
Related functionality, not a direct replacement.
SoundSwitch
Switch Windows playback and recording devices with hotkeys.