Mutify - Use a shortcut on any Mac device to mute your microphone
Alfred - Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.
Mute Intercom - Mute annoying sounds from Intercom 🔕
Lacona - Fast, simple, powerful keyboard-driven commands for Mac
MuteTab - Better tab muting in Chrome
TinkerTool - Tinker with the hidden settings of your Mac