App Launch Checklist - Planning tool for launching your app successfully
Mutify - Use a shortcut on any Mac device to mute your microphone
ASO Tools by AppFollow - Tools for App Store Optimization in App Store & Google Play
MuteTab - Better tab muting in Chrome
ConversionChecklist.org - A 41 point checklist to make your website convert better
Smart Tab Mute - Ensures that only one tab is playing sound at the same time