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Geary vs Kontact: catalog facts
Geary	Kontact
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free and open source, developed by the KDE community.
Linux	Linux
Related messages collapse into conversations and full-text search is fast, which makes it pleasant for straightforward…	Mail, calendar, contacts and feeds in one window Works offline with your data
It is Linux-only and deliberately minimal, with no built-in encryption, rules engine or calendar.	Best suited to the KDE Plasma desktop Large suite with many settings to learn
Downloadable app	Downloadable app
Open source	Open source
License: LGPL-2.1	License not stated
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 September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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