Ultimate Tab Limiter от Cal1br

Do you too open a hundred different YouTube tabs, only to close them all later when you finally get pissed off? Do you too get overwhelmed and frustrated when all of those pesky tabs get in your way?

Ultimate Tab Limiter comes to the rescue!

A Firefox add-on that helps you keep your focus by limiting the number of tabs open.

Source code is available on GitHub: https://github.com/Cal1br/ultimate-tab-limiter