B Appendix B: Useful Software

• LeechBlock NG: A completely free, fully features website blocker available for most browsers. Also works on mobile browsers.
• Cold Turkey: Downloadable website blocker for windows/mac. Because it is an app rather than a browser extension, it’s harder to disable, but only basic features are free.
• uBlacklist for Chrome, Firefox, Safari: Blocks websites from appearing in search results
• uBlock Origin: Ad blocker that can also block distracting elements from web sites.