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Tab Stash vs Session Buddy: catalog facts
Tab Stash	Session Buddy
Free Free and open source under the GPL.	Free Free to use. The software is closed source.
Browser extension	Browser extension
Stashed tabs are plain bookmarks, so they sync and survive uninstalling One click clears a window without losing anything	Recovers the tabs that were open when the browser crashed Searches across saved collections and current tabs together
Firefox only	Chromium browsers only Closed source
Browser extension	Browser extension
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.