Compare software

WSO2 Identity ServerZitadel
Freemium

Open-source server is free to download; WSO2 lists paid pricing for its offerings.

 Freemium

Open source for self-hosting, with a hosted service that has a free starting plan and paid…

Web, Self-hosted Web, Self-hosted
  • SSO, adaptive MFA, passkeys and social login
  • Covers customer, workforce and AI agent identity
  • Self-hostable, with deployment documentation
  • Built-in MFA, passwordless and social login
  • Broad feature set takes time to configure
  • Commercial pricing applies for paid offerings
  • Aimed at developers integrating identity into applications
  • Running it yourself means operating an identity service
Self-hosted Self-hosted, Hosted service
Open source Open source
License not stated 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 October 1, 2026

Checked September 23, 2026

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