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Tab Session Manager vs Session Buddy: catalog facts
Tab Session Manager	Session Buddy
Free Free and open source under the MPL.	Free Free to use. The software is closed source.
Browser extension	Browser extension
Automatic periodic saves mean a crash or misclick costs nothing Optional Google Drive sync moves sessions between machines	Recovers the tabs that were open when the browser crashed Searches across saved collections and current tabs together
Cloud sync depends on a Google account Very large session histories slow the interface	Chromium browsers only Closed source
Browser extension	Browser extension
Open source	Closed source
License: MPL-2.0	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.