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Best Casdoor Alternatives in 2026

Free#8 of 33 in OAuth Server Software

The top Casdoor alternatives are Keycloak, authentik and WSO2 Identity Server: 15 OAuth server software our editors would look at instead of Casdoor, in our ranking order.

8.6/10Editor score
Casdoor8.6 Visit Casdoor

Casdoor: A free, self-hosted OAuth and identity platform with broad protocol support. Where it falls short: self-hosted deployment requires an organization-managed environment.

Switching from Casdoor? For most oauth server software buyers the best Casdoor alternative is Keycloak, built for broad self-hosted identity deployments. On a budget, Amazon Cognito starts at $0.0055/user/mo.

Why People Look for a Casdoor Alternative

  • Self-hosted deployment requires an organization-managed environment
  • Its listed integrations are narrower than its protocol coverage
  • The broad identity feature set may exceed simple OAuth-only needs

Quick Picks by What You Need

All 15 Casdoor Alternatives, Ranked

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

  1. Keycloak

    Best forBroad self-hosted identity deployments

    • Better than Casdoor:
    • Editor score 9.4 vs 8.6

    A broad, self-hosted IAM server for standards-based authentication and authorization.

    9.4/10★★★★★
    Visit Keycloak
  2. authentik

    Best forFeature-rich open-source identity teams

    • Better than Casdoor:
    • Editor score 9.2 vs 8.6

    A broad, self-hosted identity stack for teams that need open-source control.

    9.2/10★★★★★
    Visit authentik
  3. Best forEnterprise self-hosted IAM

    • Better than Casdoor:
    • Editor score 9.1 vs 8.6

    A broad self-hosted IAM platform for enterprise OAuth, OIDC, SAML, and provisioning needs.

    9.1/10★★★★★
    Visit WSO2
  4. Best forAuditable open-source SSO infrastructure

    • Better than Casdoor:
    • Editor score 9.0 vs 8.6

    A broad, auditable SSO foundation for teams prepared to run identity infrastructure.

    • SAML support
    • Self-hosting
    • Token introspection
    9.0/10★★★★☆
    Visit Apereo CAS
  5. Best for.NET OAuth and OIDC implementations

    • Better than Casdoor:
    • Editor score 8.9 vs 8.6

    A flexible .NET framework for building self-hosted OAuth and OIDC services.

    • SAML support
    • Self-hosting
    • Token introspection
    8.9/10★★★★☆
    Visit OpenIddict
  6. Ory

    Best forManaged or self-hosted identity platforms

    • Better than Casdoor:
    • Editor score 8.8 vs 8.6

    A flexible OAuth and identity stack for teams choosing cloud, self-hosting, or both.

    Free plan Our Ory verdict → Visit Ory
    8.8/10★★★★☆
    Visit Ory
  7. Best forAWS-centric application authentication

    • Better than Casdoor:
    • Editor score 8.7 vs 8.6

    A usage-based AWS identity service with OAuth, federation, MFA, and temporary AWS credentials.

    8.7/10★★★★☆
    Visit Amazon Cognito
  8. Dex

    Best forLightweight Kubernetes OIDC federation

    A focused, open-source OIDC and OAuth layer for Kubernetes federation.

    • SAML support
    • Self-hosting
    • Token introspection
    Open source Our Dex verdict → Visit Dex
    8.5/10★★★★☆
    Visit Dex
  9. Best forStandards-focused Node.js authorization servers

    A configurable Node.js authorization server library for standards-focused teams.

    • Self-hosting
    • Token introspection
    • Machine-to-machine auth
    8.4/10★★★★☆
    Visit oidc-provider
  10. Best forSelf-hosted OAuth/OIDC with operational APIs

    A self-hosted identity server with broad protocol support and operational APIs.

    • SAML support
    • Self-hosting
    • Token introspection
    8.3/10★★★★☆
    Visit Janssen Server
  11. Authelia

    Best forSelf-hosted reverse-proxy access control

    A focused, self-hosted access layer for reverse-proxy environments.

    8.2/10★★★★☆
    Visit Authelia
  12. Best forAdaptive open-source SSO gateways

    A flexible self-hosted SSO gateway with broad protocols, adaptive access, and strong MFA coverage.

    8.1/10★★★★☆
    Visit LemonLDAP::NG
  13. OpenAM

    Best forTraditional self-hosted federation deployments

    A broad, self-hosted federation server for organizations managing identity in-house.

    • SAML support
    • Self-hosting
    • Token introspection
    8.0/10★★★★☆
    Visit OpenAM
  14. Logto

    Best forDeveloper-friendly hosted authentication

    Developer-friendly hosted and self-hosted authentication with broad identity features.

    Free plan Our Logto verdict → Visit Logto
    7.9/10★★★★☆
    Visit Logto
  15. ZITADEL

    Best forMulti-tenant identity with provisioning

    A flexible OAuth and multi-tenant identity platform with cloud and self-hosted options.

    7.8/10★★★★☆
    Visit ZITADEL

Casdoor Alternatives: Common Questions

What is the best alternative to Casdoor?

Keycloak: #1 in our OAuth Server Software ranking, with an editor score of 9.4 out of 10. A broad, self-hosted IAM server for standards-based authentication and authorization.

Is there a free alternative to Casdoor?

Yes. Keycloak, authentik, WSO2 Identity Server, Apereo CAS and OpenIddict have a free plan or a free tier (15 of the 15 alternatives on this page).

What is the cheapest paid alternative to Casdoor?

Of the alternatives here that publish a price, Amazon Cognito starts lowest, at $0.0055/user/mo.

Why do people look for Casdoor alternatives?

Self-hosted deployment requires an organization-managed environment; Its listed integrations are narrower than its protocol coverage; The broad identity feature set may exceed simple OAuth-only needs.

How do I switch from Casdoor?

Snapshot or back up the data and configs on your Casdoor server. Create the new server with the same operating system and size, and add your SSH key. Copy the data across (rsync or your backup tool) and reinstall your apps or containers. Move the DNS records or IP references to the new server, test it, then cancel Casdoor.

How to Switch from Casdoor

  1. Snapshot or back up the data and configs on your Casdoor server.
  2. Create the new server with the same operating system and size, and add your SSH key.
  3. Copy the data across (rsync or your backup tool) and reinstall your apps or containers.
  4. Move the DNS records or IP references to the new server, test it, then cancel Casdoor.

Casdoor vs Each Alternative

#ToolFree planPaid fromDeployment modelScore
8CasdoorYesFreeSelf_hosted8.6
1KeycloakFree9.4
2authentikYes$5/user/mo9.2
3WSO2 Identity ServerYesFree9.1
4Apereo CASYesFreeSelf_hosted9.0
5OpenIddictYesFreeSelf_hosted8.9
6OryYes8.8
7Amazon CognitoYes$0.0055/user/mo8.7
8DexFreeSelf_hosted8.5
9oidc-providerFreeSelf_hosted8.4
10Janssen ServerFreeBoth8.3
11AutheliaYesFree8.2
12LemonLDAP::NGYesFree8.1
13OpenAMYesFreeSelf_hosted8.0
14LogtoYes$24/moBoth7.9
15ZITADELYes$100/mo7.8

Head-to-Head

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update