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Session Buddy vs Tab Stash: catalog facts
Session Buddy	Tab Stash
Free Free to use. The software is closed source.	Free Free and open source under the GPL.
Browser extension	Browser extension
Recovers the tabs that were open when the browser crashed Searches across saved collections and current tabs together	Stashed tabs are plain bookmarks, so they sync and survive uninstalling One click clears a window without losing anything
Chromium browsers only Closed source	Firefox only
Browser extension	Browser extension
Closed source	Open source
License not stated	License: GPL-3.0
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.