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Prelora vs Nirvana: catalog facts
Prelora	Nirvana
Freemium Core features are free; Pro is paid in advance for a set period.	Freemium Free to start, with paid features offered on top.
Linux	Web
Combines GTD task lists with timers and reminders Encrypts task data locally	Built directly around the GTD inbox, next actions and projects workflow Context tags for filtering tasks by place or situation
Available for Linux	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
Closed source	Closed source
License: Proprietary	License not stated
Not stated if an account is needed	Account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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