Keycloak
Open Source Identity and Access Management For Modern Applications and Services
Identity & Access Management
Compare healthier or more active tools in the same use case using ToolVitals public evidence.
Why compare
Switching guide
Stronger current public-health signal than Better Auth.
Useful when portability and inspectability matter.
Ranked alternatives
Open Source Identity and Access Management For Modern Applications and Services
The Single Sign-On Multi-Factor portal for web apps, now OpenID Certified™
The authentication glue you need.
ZITADEL - Identity infrastructure, simplified for you.
🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
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
A simple and easy-to-use OIDC provider that allows users to authenticate with their passkeys to your services.
Pomerium is an identity and context-aware access proxy.
Single sign-on for self-hosted applications.
Open source Auth0/Clerk/Firebase alternative. Passkeys, SSO, MFA, passwordless, biometric login. Self-hosted or cloud. Enterprise-ready for SaaS & mobile apps
Open source digital identity infrastructure with OAuth/OpenID and SSO components.
Identity and access management product by WSO2.