Compare software

Kontact vs GNOME Contacts: catalog facts
Kontact	GNOME Contacts
Free Free and open source, developed by the KDE community.	Free Free and open source under the GPL-2.0-or-later licence.
Linux	Linux
Mail, calendar, contacts and feeds in one window Works offline with your data	Combines contacts from several sources in one view Links entries for the same person automatically
Best suited to the KDE Plasma desktop Large suite with many settings to learn	Linux only Built around GNOME and its online accounts
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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