Mute Intercom is a free Chrome extension that blocks annoying notification sounds from Intercom widgets.
Mute Me is a simple Touch Bar app to mute/unmute your microphone. When you’re in a meeting using Hangouts, Skype, Slack, or another voice application, it's good practice to stay on mute until someone speaks to you directly - especially if you’re meeting with three or more people. Mute Me helps you easily to do that.
People often tell Facebook they want more say over what they see in News Feed. Snooze gives people the option to hide a person, Page or group for 30 days, without having to permanently unfollow or unfriend them. This will give people more control over their feed and hopefully make their experience more positive.
AutoMute for Google Chrome is an extension that automatically mutes each new tab the instant it is opened.