MuteTab - Better tab muting in Chrome

Surfly - Simple, Fast, and Secure Co-browsing

Smart Tab Mute - Ensures that only one tab is playing sound at the same time

Samesurf - Samesurf is a patented, real time collaboration platform that enables multiple people to interact with the same online experiences in real time from any device or browser without installs or coding.

Mute Intercom - Mute annoying sounds from Intercom 🔕

Copointer.com - Copointer is technology for co-browsing on your website, that will help to improve your customer support and to be on the same page with your client.