What are some alternatives?
Listomatic - Automatically create and manage Twitter lists
Relax - Mutes your internal speakers when disconnecting headphones 🎧
News Feed Snooze - Hide a person, Page or group for 30 days on Facebook
Mute Me - A simple Touch Bar app to mute/unmute your microphone
HitLyst - Use Twitter lists like a pro
Mute Intercom - Mute annoying sounds from Intercom 🔕