Compare software

sleek vs 0x54ask: catalog facts
sleek	0x54ask
Free Free and open source.	Free Free and open source under the GPL-3.0-or-later licence.
Windows, macOS, Linux	Android
Tasks kept in plain todo.txt files you own Runs on Linux, Windows and macOS	Uses the plain-text todo.txt format No Internet permission at all
Limited to what the todo.txt format can express	Very new project, created in 2026 No built-in sync; relies on a separate tool such as Syncthing
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Works offline	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.