...
- SAML (Security Assertion Markup Language) - allows security credentials to be shared by multiple computers across a network. It describes a framework that allows one computer to perform some security functions on behalf of one or more other computers (Authentication, Authorization)
- OAuth
- Open ID
AWS Cognito
- Amazon Cognito User Pools is a standards-based Identity Provider and supports Identity and Access Management standards, such as Oauth 2.0, SAML 2.0, and OpenID Connect.