Compare software

Errands vs OpenTodoList: catalog facts
Errands	OpenTodoList
Free Free and open source under the MIT license.	Free Free and open source under the GPL-3.0 licence.
Linux	Windows, macOS, Linux, Android, iOS
Sync with Nextcloud and other CalDAV servers Sub-tasks and multiple task lists	Local-first with plain file-based storage Sync via Nextcloud, ownCloud, WebDAV or Dropbox
Linux only Deliberately simple, with few project-management features	No hosted sync service of its own Simpler than dedicated task managers for complex projects
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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