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Planify vs TrustyTodo: catalog facts
Planify	TrustyTodo
Free Free and open source.	Free Free to download from Flathub; the listing does not specify a charge.
Linux	Linux
Syncs with Todoist, Nextcloud and CalDAV Native GNOME design	Works with CalDAV task servers Supports recurring tasks
Linux only Designed around GNOME, so it looks out of place on other desktops	Requires a CalDAV server
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License: Proprietary
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.