OpenID is an open standard and decentralized authentication protocol that allows users to be authenticated by co-operating sites using a third-party service.
Best SAML (Security Assertion Markup Language) Alternatives ranked by AI · updated May 2025
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SAML is an XML-based open standard for exchanging authentication and authorization data between parties, in particular, between an identity provider and a service provider.
Price: Free
Top 6 SAML (Security Assertion Markup Language) alternatives
IndieAuth is an open standard for decentralized authentication. It allows users to use their own domain to sign in to different websites.
OAuth is an open standard for access delegation, commonly used as a way for Internet users to grant websites or applications access...
4
OAuth 2.0 is an industry-standard protocol for authorization. It provides a secure way for third-party applications to obtain limited access to an...
OpenID Connect is an identity layer built on top of the OAuth 2.0 protocol. It allows clients to verify the identity of...
JWT is an open standard that defines a compact and self-contained way for securely transmitting information between parties as a JSON object.
Pros
- Lightweight format
- Easy to integrate in modern applications
Cons
- Limited built-in security features
- Requires careful implementation to prevent security flaws
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