Compare software

Tab Manager Plus vs Sidebery: catalog facts
Tab Manager Plus	Sidebery
Free Free, with source code published on GitHub.	Free Free and open source under the MIT licence.
Browser extension	Browser extension
Overview of all tabs across windows Search to find a tab quickly	Panels can be bound to containers, keeping work and personal tabs apart Built-in snapshots restore a previous tab layout
Small project maintained mainly by one developer	Firefox only The number of settings makes first setup slow
Browser extension	Browser extension
Closed source	Open source
License not stated	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 22, 2026

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