OpenID - OpenID is a safe, faster and easier way to log in to web sites.
OAuth - OAuth is an open standard for authorization. It allows users to share their private resources (e.g.
Portier - An email-based, passwordless authentication service that you can host yourself.
Emercoin - Distributed network security infrastructure based on self-signed clients SSL certificates and...
10Duke Identity Provider - 10Duke Identity Provider is a quick to integrate customer identity management solution, providing seamless SSO access to applications. Supports federated identity, AD, Azure AD, LDAP, social sign-in and others.
Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.