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TTDL vs todotxt.net: catalog facts
TTDL	todotxt.net
Free Free and open source under the MIT licence.	Free Free and open source, with optional donations.
Windows, Command line	Windows
Uses the plain text todo.txt format, readable in any editor Works entirely in the terminal	Single-key shortcuts for almost every action Tasks stay in a plain text file you control
Command-line only, with no graphical interface No built-in sync; syncing the file is up to you	Windows only No built-in sync; file syncing must be handled separately
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: BSD-2-Clause-FreeBSD
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.