Single Sign On (Self Hosted)

FIDO | Passwordless | Strong Authentication | MFA | StrongKey

Hanko — Modern Authentication. On Your Terms.

ZITADEL • Identity infrastructure, simplified for you

Casdoor · An open-source UI-first Identity and Access Management (IAM) / Single-Sign-On (SSO) platform with web UI supporting OAuth 2.0, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, RADIUS, Google Workspace, Active Directory and Kerberos | Casdoor · An open-source UI-first Identity and Access Management (IAM) / Single-Sign-On (SSO) platform with web UI supporting OAuth 2.0, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, RADIUS, Google Workspace, Active Directory and Kerberos

Keycloak

Pricing | authentik

Authelia

Lightweight App Auth

Casdoor · An Open Source UI-first Identity Access Management (IAM) / Single-Sign-On (SSO) platform supporting OAuth 2.0, OIDC, SAML and CAS | Casdoor · An Open Source UI-first Identity Access Management (IAM) / Single-Sign-On (SSO) platform supporting OAuth 2.0, OIDC, SAML and CAS

Casbin · An authorization library that supports access control models like ACL, RBAC, ABAC for Golang, Java, C/C++, Node.js, Javascript, PHP, Laravel, Python, .NET (C#), Delphi, Rust, Ruby, Swift (Objective-C), Lua (OpenResty), Dart (Flutter) and Elixir | Casbin

Clerk | Authentication and User Management

https://github.com/netlify/gotrue

https://github.com/supabase/gotrue

https://github.com/qvest-digital/loginsrv