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