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Unify vs All-in-One Messenger: catalog facts
Unify	All-in-One Messenger
Free Free and open source under the GPL-3.0 or later licence.	Free Free download from the developer's site.
Linux	macOS
Native KDE Plasma application Keeps several web services in one window	Supports more than 40 messaging services Multiple instances of the same service
Linux only and aimed at KDE Plasma Small project with a single main developer	Wraps web versions of services rather than native clients Website still lists discontinued services such as Skype
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.