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Session Buddy vs Tab Manager Plus: catalog facts
Session Buddy	Tab Manager Plus
Free Free to use. The software is closed source.	Free Free, with source code published on GitHub.
Browser extension	Browser extension
Recovers the tabs that were open when the browser crashed Searches across saved collections and current tabs together	Overview of all tabs across windows Search to find a tab quickly
Chromium browsers only Closed source	Small project maintained mainly by one developer
Browser extension	Browser extension
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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