Compare software

OpenTodoListMicrosoft To Do
Free

Free and open source under the GPL-3.0 licence.

 Free

Free to use from Microsoft.

Windows, macOS, Linux, Android, iOS Windows, macOS, Android, iOS, Web
  • Local-first with plain file-based storage
  • Sync via Nextcloud, ownCloud, WebDAV or Dropbox
  • Free with no paid tier needed for the app itself
  • Works with Outlook tasks and Microsoft Planner
  • No hosted sync service of its own
  • Simpler than dedicated task managers for complex projects
  • Closed source and tied to Microsoft's services
  • Most useful for people already in the Microsoft 365 ecosystem
Downloadable app Downloadable app, Web application
Open source Closed source
License: GPL-3.0-or-later License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 1, 2026

Checked September 23, 2026

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