Authelia
Single Sign-On Multi-Factor portal for web apps
Alternatives
Choose logto if…
- you need pre‑configured role‑based access control
- you want enterprise SSO without custom code
- you prefer OAuth 2.1 over OAuth 2.0 for newer security flows
- you need a freemium model that scales with paid features
Choose better-auth if…
- you need auth logic to live in the same repo as your app
- you want type‑safe authentication without a separate server
- you prefer managing users in your own database rather than
- you need a plug‑in system for custom auth flows
Choose keycloak if…
- you need LDAP or Active Directory federation
- you need social login like Google or Facebook
- you need fine‑grained role‑based authorization
- you run multi‑tenant deployments out of the box
Choose authentik if…
- you need a built‑in UI to manage users
- you want API‑driven provisioning of accounts
- you require custom authentication workflows without extra
- you prefer a single open‑source stack for identity and
Choose Stytch if…
- you need passwordless login without building it yourself
- you want real‑time fraud risk scoring out of the box
- you prefer a cloud‑hosted service with a free usage tier
- you lack resources to manage on‑premise auth infrastructure
How to Decide
Authelia is a free, open‑source single sign‑on and multi‑factor authentication portal that developers and DevOps teams deploy to protect web applications. The alternatives split into a few clear camps: better‑auth leans on a framework‑agnostic TypeScript library that lives inside your own codebase; authentik offers a centralized Python‑based identity management system with built‑in user administration and high‑availability clustering; logto provides a modern SaaS‑oriented multi‑tenancy architecture with built‑in role‑based access control and enterprise SSO; keycloak delivers out‑of‑the‑box LDAP/Active Directory federation together with a web‑based admin console for realm and policy management.
When comparing these options, the decisive factors are: the language/runtime you prefer for integration (Go vs TypeScript vs Python vs Java), how multi‑tenancy is implemented (built‑in SaaS‑style versus realm‑based versus custom code), the depth of native user management and admin UI (full console in keycloak, built‑in dashboards in authentik, code‑first in better‑auth, API‑only in logto), and the availability of external directory federation (keycloak’s LDAP/AD support versus none in the others).
All Alternatives
“Logto delivers modern SSO and MFA as a developer‑focused auth server, a direct functional alternative.”
“better‑auth is a comprehensive authentication framework offering SSO and MFA, comparable to Authelia.”
“Keycloak offers open‑source SSO, MFA and identity management, matching Authelia's core purpose.”
“authentik provides self‑hosted SSO and MFA with similar customization and open‑source model.”
“FusionAuth provides a full CIAM suite with passwordless, SSO and fraud‑prevention similar to Stytch.”
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