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Tab Session Manager vs Toby: catalog facts
Tab Session Manager	Toby
Free Free and open source under the MPL.	Freemium A free tier is available. Team features require a paid plan.
Browser extension	Browser extension
Automatic periodic saves mean a crash or misclick costs nothing Optional Google Drive sync moves sessions between machines	Collections open as a group, which suits repeated project workflows Visual new tab page rather than a list buried in a menu
Cloud sync depends on a Google account Very large session histories slow the interface	Requires an account and stores collections on their servers Team and advanced features are paid
Browser extension	Browser extension
Open source	Closed source
License: MPL-2.0	License not stated
Not stated if an account is needed	Account 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.