Best thing since sliced bread. I had been using a similar add on for years until recently, Sidebery does everything that it did plus lots more really useful things. Really helps my workflow. Excellent. One slight niggle is that recently it has been randomly moving existing tabs to new windows, seems to be triggered by some browser event but I can't figure out what it is yet.

Flexible, cool customization, and yes, I only recently realized the niceties of saving/restoring the panel to bookmarks. Author, you're really good, thanks!

p.s. Why autosnapshots don't save cached tabs?

I've been using this extension for years now and I gotta say, it's simply the best extension I've ever used. So much software these days is create by UX people that want you to use things a very specific way and if that doesn't fit with your use case/personality, well then you're using it all wrong. Sidebery is the complete opposite, it has a wealth of configuration options that really help you fine tune the experience to get just want you want. For me I really don't like the tree structure options, but I assume many other love it, and with a couple quick option changes both me and those users can be happy.

Highly recommend this project - features full customization code-able & edit-able with standard web css style languages. Stable, reliable, & top notch.

!#note: you can also find their github link for the more advanced users linked on the main page.#

https://github.com/mbnuqw/sidebery

Excellent, thank you <3

Very useful. I love the option to pin the pages. Also, it's great to be able to save the groups to Bookmarks. And it's possible to update them if you have made any important change in the group.
Simply, fantastic one.

Very useful and more customizable than others side tabs extensions.