Compare software

sleek vs ToDoList: catalog facts
sleek	ToDoList
Free Free and open source.	Free Free for life, open source under the Eclipse Public License 1.0.
Windows, macOS, Linux	Windows
Tasks kept in plain todo.txt files you own Runs on Linux, Windows and macOS	Free with no paid tier Runs as a local desktop application
Limited to what the todo.txt format can express	Windows only
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: EPL-1.0
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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