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Unify vs Singlebox: catalog facts
Unify	Singlebox
Free Free and open source under the GPL-3.0 or later licence.	Freemium Free to download, with paid WebCatalog plans available.
Linux	Windows, macOS
Native KDE Plasma application Keeps several web services in one window	Multiple accounts of the same service side by side Isolated sessions per account
Linux only and aimed at KDE Plasma Small project with a single main developer	Wraps web apps rather than native clients No Linux version of Singlebox mentioned
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-or-later	License not stated
Not stated if an account is 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 2, 2026

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