[knd775]

There are multiple chromium alternatives for this extension.

[gowld]

And they are all terrible.

One of them is called TabFern, get it? It's like TabTree but it doesn't have branches.

[CharlesW]

> And they are all terrible.

For other Chromium-based browser users, Tabs Outliner is great, more powerful (but with a steeper learning curve) solution.