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.
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There are many alternatives to Concentrate for Mac and since it's discontinued a lot of people are looking for a replacement. The best Mac alternative is LeechBlock, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Concentrate and 11 are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Concentrate are SelfControl, Freedom, FocusMe and Focus.
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.
Be incredibly focused and productive. Join millions of amazing people who use Freedom to manage their screen time and live happier, healthier, and more productive lives.




Block distractions on Windows, Mac, and Android with FocusMe's Blacklist, Whitelist, Time Tracker, Scheduler, Pomodoro Timer, and security features like Password Protection and Forced Mode to boost productivity by customizing user feedback-based settings.



Focus is a Mac app that blocks distracting websites and applications so you can get peace of mind, and get some work done!.




Vitamin-R is a focus and time-boxing app for macOS from indie developer publicspace.net, available since 2010.



Too many windows to manage? Big display? Or getting lost in multiple monitors? HazeOver is for you! ? TRIAL version: HazeOver.com




1Focus lets you block distracting apps and websites to skyrocket your productivity. Beat procrastination and get things done by focusing on one task at a time. Ideal for students, entrepreneurs, and creative people.



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.



The Productivity Owl is a Google Chrome extension that eliminates your time wasting habits on the internet.




Stop Procrastinating allows you to block the internet and cut online distraction. It has the highest quality features for the best price with the highest level of Software Quality Assurance.

