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Authelia alternatives: 4 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Authelia: configured through files, with no admin web UI, and no built-in user self-registration. We ranked 4 alternatives by how directly each one replaces Authelia, then by reviews, real visits and how recently each app's facts were checked against its own website. authentik currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Keycloak logoKeycloakOpen sourceYesSelf-hosted, Linux, macOS +14 of 459.6
2Kanidm logoKanidmOpen sourceYesSelf-hosted, Linux4 of 457.2
  1. Keycloak logo

    1. KeycloakTop pick

    Best for: Organisations that want standards-based SSO on their own infrastructure at no licence cost

    Open sourceSelf-hostableSelf-hosted, Linux, macOS, Windows

    59.6

    score / 100

    Why switch from Authelia

    Complete identity server for when you need SAML, federation and user self-service.

    Pros

    • Free and open source under Apache 2.0
    • Supports OIDC, OAuth 2.0 and SAML with LDAP and AD federation
    • Mature, widely deployed and well understood

    Cons

    • You run, scale and upgrade it yourself
    • Admin concepts and theming have a steep learning curve
    • Login pages look dated without custom themes
    Visit Keycloak Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Keycloak a good Authelia alternative?

    Verified facts

    4 of 4 verified
    License
    Apache-2.0
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Protocols
    OpenID Connect, OAuth 2.0, SAML
    Checked Oct 25, 2026keycloak.org(opens source in a new tab)
    Directory federation
    LDAP and Active Directory
    Checked Oct 25, 2026keycloak.org(opens source in a new tab)
    Deployment
    Container image for Docker, Podman, Kubernetes
    Checked Oct 25, 2026keycloak.org(opens source in a new tab)
  2. Kanidm logo

    2. Kanidm

    Best for: Technical teams that want one identity source for Linux servers, Wi-Fi and web SSO

    Open sourceSelf-hostableSelf-hosted, Linux

    57.2

    score / 100

    Why switch from Authelia

    Self-hosted identity with its own user database, passkeys and Linux integration.

    Pros

    • Covers Linux login, SSH keys, RADIUS and OIDC together
    • Passkeys supported as a first-class method
    • Memory-safe Rust codebase, free and open source

    Cons

    • Administration is mainly through the CLI
    • No SAML support
    • Volunteer-run with no commercial support
    Visit Kanidm Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Kanidm a good Authelia alternative?

    Verified facts

    4 of 4 verified
    License
    MPL-2.0
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Language
    Rust
    Checked Oct 25, 2026kanidm.com(opens source in a new tab)
    Network auth
    RADIUS for Wi-Fi and VPN
    Checked Oct 25, 2026kanidm.com(opens source in a new tab)
    Linux integration
    Login with offline auth and SSH keys
    Checked Oct 25, 2026kanidm.com(opens source in a new tab)

The best Authelia alternative for…

The highest-ranked app in this list for each need.

authentik logo

Best Authelia alternative for most people

authentik

Adds a full admin UI, SAML, LDAP and RADIUS when you outgrow config files.

Pocket ID logo

Best Authelia alternative for a free option

Pocket ID

Simple passkey-based OIDC provider with a web UI for managing users.

Keycloak logo

Best Authelia alternative for open source

Keycloak

Complete identity server for when you need SAML, federation and user self-service.

Kanidm logo

Best Authelia alternative for self-hosting

Kanidm

Self-hosted identity with its own user database, passkeys and Linux integration.

Keycloak logo

Best Authelia alternative for Mac

Keycloak

Complete identity server for when you need SAML, federation and user self-service.

Keycloak logo

Best Authelia alternative for Windows

Keycloak

Complete identity server for when you need SAML, federation and user self-service.

Keycloak logo

Best Authelia alternative for Linux

Keycloak

Complete identity server for when you need SAML, federation and user self-service.

Authelia alternatives: common questions

What is the best alternative to Authelia?

authentik ranks first right now. Adds a full admin UI, SAML, LDAP and RADIUS when you outgrow config files. Pocket ID and Keycloak follow it in our ranking.

Is there a free alternative to Authelia?

Yes. authentik (open source), Pocket ID (open source), Keycloak (open source) and Kanidm (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Authelia?

Yes: authentik, Pocket ID, Keycloak and Kanidm. authentik, Pocket ID and Keycloak can also be self-hosted.

Which Authelia alternatives work on Linux?

Keycloak and Kanidm run on Linux.

Why do people switch from Authelia?

The complaints we hear most: configured through files, with no admin web UI; no built-in user self-registration; fewer protocols than full identity platforms (no SAML).

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Authelia, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.