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