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Best Keycloak Alternatives in 2026

Updated

20 platforms from passkey authentication software ranked against Keycloak on the same published basis.

  1. 1
    cidaas Free plan AndroidapiiOSWebWin €1.40/mo8.0
    Keycloak vs cidaas
  2. 2
    Duo Mobile Free plan AndroidiOS $3/mo7.8
    Keycloak vs Duo Mobile
  3. 3
    Authio Lobby Free plan AndroidapiiOSWeb $129/mo7.7
    Keycloak vs Authio Lobby
  4. 4
    HYPR Authenticate Free trial AndroidapiiOSLinuxMac $3/mo7.6
    Keycloak vs HYPR Authenticate
  5. 5
    MojoAuth Free plan AndroidapiiOSself-hostedWeb $120/mo7.6
    Keycloak vs MojoAuth
  6. 6
    Okta Customer Identity Cloud Free plan AndroidapiiOSMacself-hosted $35/mo7.4
    Keycloak vs Okta Customer Identity Cloud
  7. 7
    Ory Free plan apiLinuxMacself-hostedWeb $64.17/mo7.3
    Keycloak vs Ory
  8. 8
    Supabase Free plan AndroidapiiOSMacself-hosted $25/mo7.3
    Keycloak vs Supabase
  9. 9
    Authgear Free plan AndroidapiiOSself-hostedWeb $50/mo7.2
    Keycloak vs Authgear
  10. 10
    FusionAuth Free plan AndroidapiiOSLinuxMac $162/mo7.2
    Keycloak vs FusionAuth
  11. 11
    Google Cloud Identity Free plan AndroidapiiOSWebWin $6/mo7.2
    Keycloak vs Google Cloud Identity
  12. 12
    Hanko Free plan AndroidapiiOSself-hostedWeb $29/mo7.2
    Keycloak vs Hanko
  13. 13
    Kinde Free plan AndroidapiiOSWeb $25/mo7.2
    Keycloak vs Kinde
  14. 14
    Logto Free plan AndroidapiextensioniOSself-hosted $24/mo7.2
    Keycloak vs Logto
  15. 15
    Descope Free plan AndroidapiiOSself-hostedWeb $249/mo7.1
    Keycloak vs Descope
  16. 16
    Stytch Free plan AndroidapiiOSWeb Free7.1
    Keycloak vs Stytch
  17. 17
    BIO-key Passkey:YOU Free trial self-hostedWebWin 6.9
    Keycloak vs BIO-key Passkey:YOU
  18. 18
    Clerk Free plan AndroidapiextensioniOSWeb $1.67/mo6.9
    Keycloak vs Clerk
  19. 19
    Oracle Cloud Infrastructure Secret Management Free plan apiWeb Free6.9
    Keycloak vs Oracle Cloud Infrastructure Secret Management
  20. 20
    Rublon Authenticator Free plan AndroidiOS $2/mo6.9
    Keycloak vs Rublon Authenticator

Keycloak alternatives compared

#PlatformScoreFree planFromRuns on
1cidaas8.0Free plan€1.40/moAndroid, API, iOS, Web, Windows
2Duo Mobile7.8Free plan$3/moAndroid, iOS
3Authio Lobby7.7Free plan$129/moAndroid, API, iOS, Web
4HYPR Authenticate7.6No$3/moAndroid, API, iOS, Linux, Mac, Web, Windows
5MojoAuth7.6Free plan$120/moAndroid, API, iOS, self-hosted, Web
6Okta Customer Identity Cloud7.4Free plan$35/moAndroid, API, iOS, Mac, self-hosted, Web, Windows
7Ory7.3Free plan$64.17/moAPI, Linux, Mac, self-hosted, Web, Windows
8Supabase7.3Free plan$25/moAndroid, API, iOS, Mac, self-hosted, Web, Windows
9Authgear7.2Free plan$50/moAndroid, API, iOS, self-hosted, Web
10FusionAuth7.2Free plan$162/moAndroid, API, iOS, Linux, Mac, self-hosted, Web, Windows
11Google Cloud Identity7.2Free plan$6/moAndroid, API, iOS, Web, Windows
12Hanko7.2Free plan$29/moAndroid, API, iOS, self-hosted, Web
13Kinde7.2Free plan$25/moAndroid, API, iOS, Web
14Logto7.2Free plan$24/moAndroid, API, Browser, iOS, self-hosted, Web
15Descope7.1Free plan$249/moAndroid, API, iOS, self-hosted, Web
16Stytch7.1Free planFreeAndroid, API, iOS, Web
17BIO-key Passkey:YOU6.9No—self-hosted, Web, Windows
18Clerk6.9Free plan$1.67/moAndroid, API, Browser, iOS, Web
19Oracle Cloud Infrastructure Secret Management6.9Free planFreeAPI, Web
20Rublon Authenticator6.9Free plan$2/moAndroid, iOS
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Questions about Keycloak alternatives

What is the best alternative to Keycloak?

cidaas, number 1 in passkey authentication software with a score of 8.0 out of 10. The others here: Duo Mobile, Authio Lobby, HYPR Authenticate and 16 more.

What is the best free alternative to Keycloak?

cidaas is the best-ranked alternative with a free plan. 18 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.