Alternatives to iVolume

Per-application volume mixer, equalizer, and audio router

Audio utility

Per-application volume control

Sound and audio controller

System-wide audio equaliser

Per-app audio controls

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

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

Audio player

Per-app volume, EQ and audio device control

Sound measurement application for tuning audio systems in real-time

Audio device utility