Alternatives to AppVolume

Per-application volume mixer, equalizer, and audio router

Per-app audio controls

Sound and audio controller

Audio utility

Tool to control external monitor brightness & volume

Control the volume of Apple Music and Spotify using keyboard volume keys

Per-app volume, EQ and audio device control

System-wide audio equaliser

Adaptive brightness for external displays

Control your Sonos system

Menu bar toolkit with keep-awake, system monitor and volume mixer

Spotify and iTunes in the menu bar