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0x54ask vs ntodotxt: catalog facts
0x54ask	ntodotxt
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source under the MIT licence.
Android	Android
Uses the plain-text todo.txt format No Internet permission at all	Uses the open todo.txt plain-text format Works locally without any account
Very new project, created in 2026 No built-in sync; relies on a separate tool such as Syncthing	Android is the only listed platform No hosted sync service of its own
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: MIT
No account needed	No account needed
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.