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NoNonsense Notes vs jtx Board: catalog facts
NoNonsense Notes	jtx Board
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0 licence; donations accepted.
Android	Android
Reminders that can repeat on chosen weekdays Resizable widget with lock screen support	Journals, notes and tasks in one app, linkable to each other Standard iCalendar format avoids lock-in
Android only No sync described in the available information	Sync requires the separate DAVx5 or kSync app Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-only
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 2, 2026

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