MuteTab - Better tab muting in Chrome
Hidden Bar - A ultra-light MacOS utility that helps hide menu bar icons.
Smart Tab Mute - Ensures that only one tab is playing sound at the same time
TramaTM - Protect your brand. Register your trademark. Free verification. Simple online process. Transparent price. Money back guarantee.
Mute Intercom - Mute annoying sounds from Intercom 🔕
Vanilla - Vanilla is a free Mac app that lets you hide icons from your menu bar.