Focus - New Tab page that gives you a moment of calm and inspires you to be more productive.
Otto - Otto is a full-service advertising, web development, and public relations agency.
SelfControl - 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.
FocusLite - Website blocker for Mac & consumable purchase for motivation
about:blank - Blocks websites on safari for iOS and macOS.
CodeBlock - Solve a coding challenge to visit a distracting site