Compare software

Tasks vs sleek: catalog facts
Tasks	sleek
Free Free and open source under the GPL-3.0 licence.	Free Free and open source.
Linux	Windows, macOS, Linux
Simple, focused task list Native Linux app available on Flathub	Tasks kept in plain todo.txt files you own Runs on Linux, Windows and macOS
Linux only Little documentation of features on the project site	Limited to what the todo.txt format can express
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.