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Workona vs Sidebery: catalog facts
Workona	Sidebery
Freemium A limited free tier is available. More workspaces and team features are paid.	Free Free and open source under the MIT licence.
Browser extension	Browser extension
Workspaces sync across machines and can be shared with colleagues Suspends tabs you are not using rather than keeping them loaded	Panels can be bound to containers, keeping work and personal tabs apart Built-in snapshots restore a previous tab layout
Requires an account and stores your tab data on their servers Beyond a small number of workspaces it is a paid subscription	Firefox only The number of settings makes first setup slow
Browser extension	Browser extension
Closed source	Open source
License not stated	License: MIT
Account 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.