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OpenTodoList vs NoNonsense Notes: catalog facts
OpenTodoList	NoNonsense Notes
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0 licence.
Windows, macOS, Linux, Android, iOS	Android
Local-first with plain file-based storage Sync via Nextcloud, ownCloud, WebDAV or Dropbox	Reminders that can repeat on chosen weekdays Resizable widget with lock screen support
No hosted sync service of its own Simpler than dedicated task managers for complex projects	Android only No sync described in the available information
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0
No account needed	Not stated if an account is needed
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.