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Ente AuthMicrosoft Authenticator
Free

Free and open source, funded by the company's photo storage product.

 Free

Free app from Microsoft for Android and iOS.

Windows, macOS, Linux, Android, iOS, Web Android, iOS
  • End-to-end encrypted cloud backup at no cost
  • Clients on mobile, desktop and the web, all open source
  • Passwordless sign-in for Microsoft and work accounts
  • Commonly required by employers using Microsoft sign-in
  • Backup relies on an Ente account, even though the data is encrypted
  • Mobile only, with no desktop app
  • Most useful inside the Microsoft account ecosystem
Downloadable app, Web application Downloadable app
Open source Closed source
License: AGPL-3.0 License not stated
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

Checked September 22, 2026

Checked September 23, 2026

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