Compare software

Tasks.org vs 0x54ask: catalog facts
Tasks.org	0x54ask
Free Free and open source under the GPLv3, supported by donations.	Free Free and open source under the GPL-3.0-or-later licence.
Android	Android
Many sync backends, including CalDAV and EteSync Works fully offline	Uses the plain-text todo.txt format No Internet permission at all
Desktop version is still in alpha Mainly an Android app	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: GPL-3.0	License: GPL-3.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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