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 🔕
Thundertick - Search engine for your browser
MuteTab - Better tab muting in Chrome
Command-Tab Plus - Command-Tab Plus - Powerful and Customizable Applications and Windows Switcher for Mac OS X.