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Merkuro vs Linwood Flow: catalog facts
Merkuro	Linwood Flow
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source under the AGPL 3.0.
Linux	Windows, Linux, Android, Web
Supports Nextcloud, Google Calendar, Outlook and CalDAV calendars Combines events, tasks and contacts in one app	You decide where your data is stored Manages events, groups, places and people in one app
Linux only Fits best within the KDE Plasma desktop	Developers state it is not ready for production use Nightly builds can be unstable
Downloadable app	Downloadable app, Web application
Open source	Open source
License: GPL-3.0-or-later	License: AGPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
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.