Zero Willpower is described as 'Block distracting websites'. There are seven alternatives to Zero Willpower for a variety of platforms, including Google Chrome, Online / Web-based, Mac, Windows and Linux. The best alternative is LeechBlock, which is both free and Open Source. Other great apps like Zero Willpower are StayFocusd (Free), SelfControl (Free, Open Source), Focus (Paid) and Motion (Paid).
LeechBlock is a simple free productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
SelfControl is a free and open-source application for Mac OS X that lets you block your own access to distracting websites, your mail servers, or anything else on the Internet. Just set a period of time to block for, add sites to your blacklist, and click "Start.
Focus is a Mac app that blocks distracting websites (like Facebook and Reddit) and applications, so you can improve your productivity. It has lots of awesome features like scheduling, showing motivational quotes on blocked pages, whitelisting and pomodoro support.
PoD(Price of Distraction) is the only chrome extension which could help you stay focused and improve your efficiency during pomodoro immediately. Yes. we said 'immediately'. Not like other extensions(e.g.