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Tangram vs Unify: catalog facts
Tangram	Unify
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0 or later licence.
Linux	Linux
Keeps web apps in a dedicated window apart from the main browser Native GNOME application	Native KDE Plasma application Keeps several web services in one window
Linux only Not meant for general browsing	Linux only and aimed at KDE Plasma Small project with a single main developer
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-or-later
No account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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