Smart Tab Mute - Ensures that only one tab is playing sound at the same time
Mutify - Use a shortcut on any Mac device to mute your microphone
Relax - Mutes your internal speakers when disconnecting headphones 🎧
MuteTab - Better tab muting in Chrome
Muzzle - Silence embarrassing notifications while screensharing
Spotify Ad Blocker - Mutes Spotify (and only Spotify) during ads. Portable, with a minimal UI via tray icon.