IdentityPython/SATOSA

OpenID Connect (OIDC) identity and OAuth 2.0 provider with pluggable connectors

An Identity Protocol Debugger

A reverse proxy that provides authentication with Google, Azure, OpenID Connect and many more identity providers.

OpenID/Connect, OAuth2, WS-Federation and SAML 2.0 server based on Duende IdentityServer and ITFoxtec Identity SAML 2.0 with its admin UI

The authentication glue you need.

OpenAM is an open-source access management solution for identity authentication, authorization, and federation. It provides single sign-on, adaptive authentication, and centralized policy control, enabling secure access to web, mobile, and cloud applications

Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

Internet-scale OpenID Certified™ OpenID Connect and OAuth2.1 provider that integrates with your user management through headless APIs. Solve OIDC/OAuth2 user cases over night. Consume as a service on Ory Network or self-host. Trusted by OpenAI and many others for scale and security. Written in Go.

An open-source Agent-first Identity and Access Management (IAM) /LLM MCP & agent gateway and auth server with web UI supporting OpenClaw, MCP, OAuth, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, Face ID, Google Workspace, Azure AD