Pushbullet for Mac - Send your iOS notifications to your Mac

Towedo - A new way to develop habits and achieve goals

Muzzle - Silence embarrassing notifications while screensharing

ProductHacker - The best of ProductHunt and HackerNews in your inbox

CleanSpark - Declutter your screen to share it on your next presentation

OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.