If you have a mechanical keyboard and you use Linux, you may be interested in this. This script automutes your microphone whenever you start typing, which should make things less annoying for your friends or colleagues on voice chat.
To install, run: ./unclack-linux install
To start on login, add systemctl --user start unclack-linux.service
to your .bashrc
or equivalent.
This is inspired by Unclack.app for macOS.