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All-in-One Messenger vs Unify: catalog facts
All-in-One Messenger	Unify
Free Free download from the developer's site.	Free Free and open source under the GPL-3.0 or later licence.
macOS	Linux
Supports more than 40 messaging services Multiple instances of the same service	Native KDE Plasma application Keeps several web services in one window
Wraps web versions of services rather than native clients Website still lists discontinued services such as Skype	Linux only and aimed at KDE Plasma Small project with a single main developer
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-or-later
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 2, 2026	Official website Full listing and sources Checked October 1, 2026

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