authentik
The authentication glue you need
Alternatives
Choose Frontegg if…
- you need a hosted login page with custom domain out of the
- you want usage‑based pricing that scales with monthly
- you require built‑in enterprise SSO and SCIM integrations
- you are building a multi‑tenant SaaS product and need
Choose logto if…
- you need ready‑made multi‑tenant isolation for each client
- you want enterprise SSO and RBAC without extra plugins
- you prefer a freemium model that unlocks advanced features
- you rely on the latest OpenID Connect and OAuth 2.1
Choose better-auth if…
- you need a framework‑agnostic TypeScript library
- you want to store users and sessions in your own database
- you require a plugin ecosystem for multi‑tenancy and custom
- you prefer not to run a separate authentication server
Choose keycloak if…
- you need LDAP/Active Directory federation out of the box
- you want to offer Google or Facebook login without custom
- you require fine‑grained role‑based authorization policies
- you run multi‑tenant deployments on a single Keycloak
Choose Authelia if…
- you need separate authentication realms per customer
- you run a SaaS platform with distinct client domains
- you want built‑in OpenID Connect/OAuth2 support
- you prefer a single deployment for multi‑tenant use cases
How to Decide
authentik is the free, open‑source authentication glue that developers and IT teams use to centralize identity, SSO and multi‑factor policies across self‑hosted environments. The alternatives split into a few clear camps: better‑auth leans on a TypeScript library that runs entirely in your codebase for framework‑agnostic backend integration; logto is chosen for its built‑in multi‑tenancy architecture aimed at modern SaaS founders; Authelia is distinguished by its Go‑based, OpenID‑Certified server that focuses on SSO and MFA for web apps.
When weighing replacements for authentik, look at (1) the runtime language and ecosystem – Python vs TypeScript vs Go – because it dictates developer familiarity and available SDKs; (2) whether you need native multi‑tenancy support out of the box (logto) or are comfortable building it yourself; (3) the integration style – a drop‑in library you embed (better‑auth) versus a standalone authentication server you deploy (authentik, logto, Authelia); and (4) the depth of built‑in enterprise SSO and protocol coverage, since Authelia and logto emphasize OpenID Connect/OAuth 2.0 SSO while better‑auth relies on you wiring providers yourself.
All Alternatives
“Auth0 provides the same core CIAM capabilities (auth, SSO, user mgmt) with a strong developer API.”
“Open‑source authentication framework targeting developers, sharing Logto's focus on easy integration.”
“Open‑source IAM with SSO, OIDC/OAuth2/SAML, very similar feature set to Keycloak.”
Is this your tool?
Claim this page to update details, reply to user reviews, and drive more traffic to your product.
Claim this Product →