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Fossify Contacts vs GNOME Contacts: catalog facts
Fossify Contacts	GNOME Contacts
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-2.0-or-later licence.
Android	Linux
No ads, tracking libraries or unnecessary permissions Groups and favorites with batch email or SMS to a group	Combines contacts from several sources in one view Links entries for the same person automatically
Android only Focused on local contact management rather than its own sync service	Linux only Built around GNOME and its online accounts
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0-or-later
No account needed	No account needed
Works offline	Works offline
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.