Not as good as Simple Tab Groups, but it's an alternative.

I can finally leave Vivaldi for good

Rotding brengt alles in de war, waarom de systemtray, hoe raak ik dat kwijt, config is een jungle.

TST but way better, with more customization

Muito bom, uso a algum tempo, recomendo..

Flexible and powerful, yet somehow easy to use and very slick!

I'm using this with the CSS hacks to customize the userChrome, and it's a much better web experience than default browsers. This extension is pretty neat, and does what's needed without using too many resources or getting in the way.

Please add a function to force update favicons for all bookmarks.

We like the old fashion.