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todotxt.net vs todo.txt: catalog facts
todotxt.net	todo.txt
Free Free and open source, with optional donations.	Free Free and open source.
Windows	macOS, Linux, Command line
Single-key shortcuts for almost every action Tasks stay in a plain text file you control	Tasks stored in a plain text file you own Simple format readable in any editor
Windows only No built-in sync; file syncing must be handled separately	Terminal only, no graphical interface No built-in reminders or recurring tasks
Downloadable app	Downloadable app
Open source	Open source
License: BSD-2-Clause-FreeBSD	License: GPL-3.0
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.