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Franz vs Ferdium: catalog facts
Franz	Ferdium
Freemium Free to download; the homepage does not detail paid plans.	Free Free and open source under Apache 2.0. Unlike Franz, the project states it does not…
Windows, macOS, Linux	Windows, macOS, Linux
Many messengers and email accounts in one window Native Signal support	Hundreds of services supported, with workspaces to group them No paid account or usage restrictions, unlike the Franz it forked from
Pricing for paid features is not clearly stated on the homepage Runs web versions of services, so behaviour depends on each service	Each service is a web view, so memory use grows quickly with many services Service integrations break when a provider changes its web app
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 21, 2026

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