AppBreakup
Submit an app

Better Auth alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Better Auth: typeScript and JavaScript only, and you are responsible for hosting, email delivery and security. We ranked 5 alternatives by how directly each one replaces Better Auth, then by reviews, real visits and how recently each app's facts were checked against its own website. Auth.js (NextAuth.js) currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Keycloak logoKeycloakOpen sourceYesSelf-hosted, Linux, macOS +14 of 455.3
  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

    55.3

    score / 100

    Why switch from Better Auth

    Separate identity server for when several apps and languages need shared SSO.

    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 ×0.363
    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 Better Auth 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)

The best Better Auth alternative for…

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

Auth.js (NextAuth.js) logo

Best Better Auth alternative for most people

Auth.js (NextAuth.js)

The older Next.js-centred library, now maintained under the Better Auth project.

SuperTokens logo

Best Better Auth alternative for a free option

SuperTokens

Open-source with prebuilt UI and back-end SDKs beyond TypeScript.

Cl

Best Better Auth alternative for a free plan you can upgrade

Clerk

Hosted alternative with prebuilt UI if you would rather not own auth code.

Logto logo

Best Better Auth alternative for open source

Logto

Standalone open-source identity service with an admin console and free cloud tier.

Keycloak logo

Best Better Auth alternative for self-hosting

Keycloak

Separate identity server for when several apps and languages need shared SSO.

Keycloak logo

Best Better Auth alternative for Mac

Keycloak

Separate identity server for when several apps and languages need shared SSO.

Keycloak logo

Best Better Auth alternative for Windows

Keycloak

Separate identity server for when several apps and languages need shared SSO.

Keycloak logo

Best Better Auth alternative for Linux

Keycloak

Separate identity server for when several apps and languages need shared SSO.

Cl

Best Better Auth alternative for iPhone and Android

Clerk

Hosted alternative with prebuilt UI if you would rather not own auth code.

Auth.js (NextAuth.js) logo

Best Better Auth alternative for working in the browser

Auth.js (NextAuth.js)

The older Next.js-centred library, now maintained under the Better Auth project.

Better Auth alternatives: common questions

What is the best alternative to Better Auth?

Auth.js (NextAuth.js) ranks first right now. The older Next.js-centred library, now maintained under the Better Auth project. Clerk and SuperTokens follow it in our ranking.

Is there a free alternative to Better Auth?

Yes. Auth.js (NextAuth.js) (open source), Clerk (free plan + paid), SuperTokens (open source) and Logto (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Better Auth?

Yes: Auth.js (NextAuth.js), SuperTokens, Logto and Keycloak. Auth.js (NextAuth.js), SuperTokens and Logto can also be self-hosted.

Which Better Auth alternatives work on Linux?

Keycloak runs on Linux.

Why do people switch from Better Auth?

The complaints we hear most: typeScript and JavaScript only; you are responsible for hosting, email delivery and security; no admin dashboard without the paid infrastructure add-on.

How is this list ranked?

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