Focus Alternatives

Cold Turkey is a free productivity program that you can use to temporarily block distractions so that you can get your work done!

V2 updates! - Custom time interval for distraction free mode - Ability to turn off ' always on' mode - Improved UI -- Self Control -- A simple app to keep you focused online by blocking sites that you spend way too much time on.

Open Source

Omnichannel CRM for Businesses of all sizes

Visit website freemium $14.0 / Annually ($14 USD/monthly on Annual Subscription.)

Freedom is a productivity hack that lets you block apps, websites or the entire Internet on iPhones, iPads, Windows and Mac computers.

Website blocker so you can get back to your fucking work

With so much access to information and distractions on the internet, it's easy to get sidetracked.

LeechBlock is an extension for Firefox and Chrome that allows users to block time-wasting sites.

Open Source

More suitable with Google Chrome, this service enables you ensure you do not waste precious time on updating Facebook status or chatting with people.

Use social media in a useful way. Control Facebook, YouTube, Twitter, Reddit, Netflix and LinkedIn in a responsible way.

free

Time Sink helps you track how you spend your time on your Mac.

Anti-Social is a productivity application for Macs that turns off the social parts of the internet.

Anti-procrastination application for Mac and Windows.

Time management software that shows you how you spend your time & provides tools to help you be more productive.

Enforces the Pomodoro time management technique by blocking distracting sites