Best Keycloak alternatives in 2026
8 direct alternatives to Keycloak, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.
Curated by Louis Corneloup · Updated Cite this list: Toolradar, best Keycloak alternatives 2026, toolradar.com/alternatives/keycloak
Why people consider alternatives to Keycloak
Keycloak provides identity and access management you can self-host. SSO, identity federation, user management-enterprise IAM from Red Hat, open source. The features rival commercial IAM. Self-hosting keeps control with you.
Teams most often switch away when one of these starts to bite:
- •A feature or quota ceiling that a paid specialist covers and this free tool does not.
- •Missing integrations with the rest of your stack.
- •Performance or scale limits as your needs grow.
- •A specific feature gap you have hit in identity & access.
The 8 alternatives below cover the same core job (identity & access) with different trade-offs. Ranked by real-signal score: G2 and Capterra ratings, media mentions, and editor review.
8 alternatives to Keycloak
Ranked by G2 and Capterra ratings, media mentions, and editor review, plus how directly they replace Keycloak.
- 1
Okta
PaidBattle-tested at scaleEnterprise identity management
Direct alternative4.6(2,331)as of Aug 2026Compare Keycloak vs Okta → - 2
Auth0
FreemiumIdentity platform for developers
Direct alternative4.5(420)as of Aug 2026Compare Keycloak vs Auth0 → - 3
Ping Identity
PaidEnterprise identity security solutions
Direct alternative4.5(145)as of Mar 2026Compare Keycloak vs Ping Identity → - 4
GPS
FreeSecure your data with location-based, impenetrable encryption keys
Direct alternativeCompare Keycloak vs GPS → - 5
Proton VPN
FreemiumBattle-tested at scaleSwiss privacy protection with unlimited bandwidth
Direct alternative4.5(41,058)as of May 2026Compare Keycloak vs Proton VPN → - 6
Porkbun
PaidBattle-tested at scaleDomain registrar with competitive pricing
Direct alternative4.8(26,552)as of Sep 2026Compare Keycloak vs Porkbun → - 7
Proton
FreemiumBattle-tested at scaleEnd-to-end encrypted suite for total digital privacy
Direct alternative4.7(32,118)as of May 2026Compare Keycloak vs Proton → - 8
TeamViewer
FreemiumBattle-tested at scaleThe platform for the digital workplace, enabling seamless remote access, support, and IT management.
Direct alternative4.6(15,792)as of Aug 2026Compare Keycloak vs TeamViewer →
Frequently asked questions
What is the best alternative to Keycloak?
Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to Keycloak are Okta, Auth0, Ping Identity. Each solves the same core job with different trade-offs on pricing, features, and integrations.
Is there a free alternative to Keycloak?
Keycloak is already 100% free (no paid upgrade path). GPS is another fully free option listed here (Secure your data with location-based, impenetrable encryption keys). Freemium tools on this list have a free tier plus paid plans — they are not the same as 100% free.
Why do people look for Keycloak alternatives?
Common reasons teams switch away from Keycloak even though it is free: missing integrations with the rest of their stack, performance or scale limits, or a specific feature gap in identity & access. The alternatives on this page solve the same core problem with a different feature set.
Side-by-side comparisons
In-depth comparison pages for Keycloak versus each alternative.
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