Compare software

Chiri vs Tasks.org: catalog facts
Chiri	Tasks.org
Free Free and open source under the zlib licence.	Free Free and open source under the GPLv3, supported by donations.
Windows, macOS, Linux	Android
Uses the open CalDAV standard instead of a proprietary sync service Cross-platform desktop app	Many sync backends, including CalDAV and EteSync Works fully offline
Needs a CalDAV server to sync tasks Young project with a small user base	Desktop version is still in alpha Mainly an Android app
Downloadable app	Downloadable app
Open source	Open source
License: Zlib	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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