Quiet is described as 'Push distractions aside, silence disruptions and enter a zen like state of focus with Quiet for Mac OS X. With the push of a button, silence noisy applications and fade out all unwanted windows. It gives you that moment of peace you need to get on with work' and is a anti procrastination tool. There are more than 50 alternatives to Quiet for a variety of platforms, including Android, Mac, iPhone, Windows and Android Tablet apps. The best Quiet alternative is Mindful : Focus & Screen Time, which is both free and Open Source. Other great apps like Quiet are DigiPaws, Reef Wellbeing, Focus Firewall and QuestPhone.