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Privacy Friendly To-Do List vs 0x54ask: catalog facts
Privacy Friendly To-Do List	0x54ask
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source under the GPL-3.0-or-later licence.
Android	Android
Deadlines, reminders and subtasks per task Calendar view and urgency colours	Uses the plain-text todo.txt format No Internet permission at all
Android only Maintenance has moved from the original research group to a new maintainer	Very new project, created in 2026 No built-in sync; relies on a separate tool such as Syncthing
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0-or-later
No account needed	No account needed
Not stated if it works offline	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.