To enable vertical tabs in Firefox, just right-click on any empty area of the horizontal tab bar. If you've run out of space, ...

To enable vertical tabs in Firefox, just right-click on any empty area of the horizontal tab bar. If you've run out of space, ...

Zen Browser is a privacy-first, open-source browser offering innovative features like vertical tabs, Workspaces, and Split ...

I'm a little late to this party, but there's a new web browser called Zen Browser that seeks to solve several different issues.