MuteTab - Better tab muting in Chrome
Loom - Loom is a screen recording extension for Chrome that gives people the ability to create and share media. Create your own videos using your camera, screen view, and audio. Read more about Loom.
Muzzle - Silence embarrassing notifications while screensharing
Active WebCam - Active WebCam is a web cam recoding software with the capability of capturing images up to thirty frames in a second.
Smart Tab Mute - Ensures that only one tab is playing sound at the same time
Apowersoft Screen Recorder - Apowersoft Screen Recorder Pro is a high quality screen recording software to record anything happening on screen. It supports to record screen video in WMV and more video formats.