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All-in-One Messenger vs Ferdium: catalog facts
All-in-One Messenger	Ferdium
Free Free download from the developer's site.	Free Free and open source under Apache 2.0. Unlike Franz, the project states it does not…
macOS	Windows, macOS, Linux
Supports more than 40 messaging services Multiple instances of the same service	Hundreds of services supported, with workspaces to group them No paid account or usage restrictions, unlike the Franz it forked from
Wraps web versions of services rather than native clients Website still lists discontinued services such as Skype	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 2, 2026	Official website Full listing and sources Checked September 21, 2026

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