Sidebery – A Firefox extension for managing tabs and bookmarks in sidebar
More and more browsers have sidebar (vertical) tabs natively these days:<p>* Orion (mac only) - <a href="https://browser.kagi.com/" rel="nofollow noreferrer">https://browser.kagi.com/</a><p>* Brave (mac, windows, linux) - <a href="https://brave.com/download/" rel="nofollow noreferrer">https://brave.com/download/</a> (right click any tab and then Use vertical tabs)<p>* Arc (ugh) - <a href="https://arc.net" rel="nofollow noreferrer">https://arc.net</a>