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Momentum vs Tabliss: catalog facts
Momentum	Tabliss
Freemium A free version is available. Momentum Plus is a paid subscription.	Free Free and open source under the GPL.
Browser extension	Browser extension
A single stated focus per day is a genuinely effective nudge Pleasant, calm replacement for a grid of most-visited sites	No account, no tracking; settings stay in the browser Widget set covers backgrounds, clock, search, todos and links
Integrations, custom backgrounds and metrics need the paid Plus plan Requires an account for sync, and it is closed source	No sync between devices, since nothing is stored remotely Fewer integrations than commercial new tab pages
Browser extension	Browser extension
Closed source	Open source
License not stated	License: GPL-3.0
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.