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Mindwtr vs Nirvana: catalog facts
Mindwtr	Nirvana
Free Free and open source under the AGPL-3.0 licence.	Freemium Free to start, with paid features offered on top.
Windows, Linux, Android, iOS	Web
Full GTD workflow including weekly review and Waiting For lists Works offline with no account	Built directly around the GTD inbox, next actions and projects workflow Context tags for filtering tasks by place or situation
Built around GTD, which may feel heavy for simple lists Sync across devices requires setting it up yourself	Less useful if you do not follow GTD Hosted service, so tasks are stored on the developer's servers
Downloadable app	Web application, Hosted service
Open source	Closed source
License: AGPL-3.0-only	License not stated
No account needed	Account 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.