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Merkuro vs GNOME Contacts: catalog facts
Merkuro	GNOME Contacts
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source under the GPL-2.0-or-later licence.
Linux	Linux
Supports Nextcloud, Google Calendar, Outlook and CalDAV calendars Combines events, tasks and contacts in one app	Combines contacts from several sources in one view Links entries for the same person automatically
Linux only Fits best within the KDE Plasma desktop	Linux only Built around GNOME and its online accounts
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-2.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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