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