Alternatives to Airfoil
A Mac app that streams audio from any application to AirPlay, Chromecast, Sonos and Bluetooth speakers. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Airfoil
A Mac app that streams audio from any application to AirPlay, Chromecast, Sonos and Bluetooth speakers.
Replacements
Listings that take over the same core job as Airfoil.
SoundSource
A Mac menu bar tool for per-app volume, output routing, audio effects and AirPlay streaming.
SoundSource also streams any Mac app's audio to AirPlay and groups outputs, adding per-app volume and effects, but lacks Chromecast, Sonos and Bluetooth targets.
Snapcast
A multiroom client-server audio player that keeps every client time-synchronized with the server.
Snapcast moves you to a free, self-hosted multiroom setup on Linux with time-synchronized clients, but requires configuring a server and a client per device.
Similar software
Related functionality, not a direct replacement.
Shairport Sync
An AirPlay and AirPlay 2 audio receiver that turns a Linux machine into a network speaker.
OwnTone
An open source audio media server that streams your music library to AirPlay, Chromecast and DAAP clients.
Loopback
Create virtual audio devices that combine application and hardware audio on a Mac.
Audio Hijack
Capture and process audio from Mac applications and input devices.
BlackHole
Pass audio between Mac applications through a virtual loopback driver.
Lyrion Music Server
An open-source music server, formerly Logitech Media Server, that streams to Squeezebox and compatible players.