Mutify - Use a shortcut on any Mac device to mute your microphone
Dead Simple Screen Sharing - Simple screen sharing and audio conferencing software.
MuteTab - Better tab muting in Chrome
Muzzle - Silence embarrassing notifications while screensharing
Mute Intercom - Mute annoying sounds from Intercom 🔕
Surfly - Simple, Fast, and Secure Co-browsing