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Ferdium vs Unify: catalog facts
Ferdium	Unify
Free Free and open source under Apache 2.0. Unlike Franz, the project states it does not…	Free Free and open source under the GPL-3.0 or later licence.
Windows, macOS, Linux	Linux
Hundreds of services supported, with workspaces to group them No paid account or usage restrictions, unlike the Franz it forked from	Native KDE Plasma application Keeps several web services in one window
Each service is a web view, so memory use grows quickly with many services Service integrations break when a provider changes its web app	Linux only and aimed at KDE Plasma Small project with a single main developer
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	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 September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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