Based on our record, Tab Stash seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I like the the https://josh-berry.github.io/tab-stash/ extension. Not exactly what you want, but IMO a very well-done extension in that space. Firefox handle lots of tabs very well though since the tabs are lazily loaded. Only issue is that the session system once in a while mess up and you lose everything. - Source: Hacker News / 18 days ago
If you need vertical tabs, my new favorite solution is Tab Stash in the sidebar. Source: 11 months ago
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