Is this open source? If yes whats the link?

This addon is very useful, but could there be option to not automatically focus to OneTab tab once browser is just started?

Why does Mozilla insist on keeping its pages as bright as the sun?
Please don't follow in their footsteps. This is a great extension but the white background is killing me here.

I'll (without hesitation) give this extension a 5-star rating since it makes the Firefox UX that much better, but give us some sort of dark background!

Please include a dark mode and search function.

A very nice and useful addon, but that white kills the eyes. Please add a simple color chooser for both foreground and background, please.

I love this extension. Sometimes I will have 30 tabs open when researching or working on a project. I don't want to close them because I want to come back to them later. This extension takes them and saves them for you so you can return to them all in one click. It is truly my favorite extension!!!!! I would give it 100 stars if I could!!!

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Information about container is not stored. Tabs aren't restored in container tab like work/media/shopping/…
Missing search/filter input box.

This is one of my favorite extensions. Well designed, works flawlessly, great user interface. You can clean up all of your tabs to a section in onetab (or just add a single tab). The tab will present as lists, which you can name, move things between, delete, etc. Whenever you want to see that tab group again, you can load the tabs as a group (as well as individually). Wouldn't know what to do without it. Great job! Thank you!

Love OneTab, using it on both Chrome and Firefox. Isn't it about time we get a nightmode? There are a couple of extensions that would provide this but non of them work now due to Mozilla cracking down security. Please please please, a night mode.

I thought this would be a great solution for all my tabs. I clicked the icon and watched all my tabs close. Then I got this error: Error code: SSL_ERROR_RX_RECORD_TOO_LONG

So it seems there are limitations that are not noted in the description. I have emailed the team for tech help, but am assuming my tabs are gone (even with recovery in place with Firefox, I could not seem to get that particular window of tabs restored). Incredibly disappointed in this add-on, and now instead of saving time, I am wasting time trying to figure out recovery. Lesson learned. :(