Smart Tab Mute - Ensures that only one tab is playing sound at the same time
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
MuteTab - Better tab muting in Chrome
Clever - syncing between education applications for K-12 schools
Mute Intercom - Mute annoying sounds from Intercom 🔕
Claroline - Claroline is a collaborative eLearning and eWorking platform.