Compare software

Chiri vs TrustyTodo: catalog facts
Chiri	TrustyTodo
Free Free and open source under the zlib licence.	Free Free to download from Flathub; the listing does not specify a charge.
Windows, macOS, Linux	Linux
Uses the open CalDAV standard instead of a proprietary sync service Cross-platform desktop app	Works with CalDAV task servers Supports recurring tasks
Needs a CalDAV server to sync tasks Young project with a small user base	Requires a CalDAV server
Downloadable app	Downloadable app
Open source	Closed source
License: Zlib	License: Proprietary
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

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