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Tasks.org vs Fatto: catalog facts
Tasks.org	Fatto
Free Free and open source under the GPLv3, supported by donations.	Free Free and open source under GPL-3.0-only.
Android	Android
Many sync backends, including CalDAV and EteSync Works fully offline	Syncs with TaskChampion servers and S3-compatible storage Supports projects, tags, filters and task editing
Desktop version is still in alpha Mainly an Android app	Android only Designed for users of Taskwarrior
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-only
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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