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. Here are the real cost and limitation gotchas that push teams to look elsewhere:
- •Infrastructure hosting costs (servers, networking)
- •Internal development and maintenance staff
- •Potential for third-party consulting fees
- •No official vendor support included
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
PaidHigher rated by usersEnterprise identity management
Direct alternative4.6(2,101)Compare Keycloak vs Okta → - 2
Auth0
FreemiumHigher rated by usersIdentity platform for developers
Direct alternative4.5(420)Compare Keycloak vs Auth0 → - 3
Ping Identity
PaidHigher rated by usersEnterprise identity security solutions
Direct alternative4.5(145)Compare Keycloak vs Ping Identity → - 4
GPS
FreeSecure your data with location-based, impenetrable encryption keys
Direct alternativeCompare Keycloak vs GPS → - 5
Proton VPN
FreemiumHigher rated by usersSwiss privacy protection with unlimited bandwidth
Direct alternative4.5(41,058)Compare Keycloak vs Proton VPN → - 6
Azure
PaidBattle-tested at scaleMicrosoft's cloud, essential for enterprises running Windows
Direct alternative4.4(97,447)Compare Keycloak vs Azure → - 7
Proton
FreemiumHigher rated by usersEnd-to-end encrypted suite for total digital privacy
Direct alternative4.7(32,118)Compare Keycloak vs Proton → - 8
Lucid Train
FreemiumHigher rated by usersGenerate architecture diagrams from code, offline
Direct alternative4.5(8,828)Compare Keycloak vs Lucid Train →
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?
Yes. Auth0 is one of the freemium alternatives to Keycloak listed here (Identity platform for developers). Other freemium options are flagged in the list below.
Why do people look for Keycloak alternatives?
Common reasons teams switch away from Keycloak: pricing that scales aggressively, 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 different trade-offs.
Side-by-side comparisons
In-depth comparison pages for Keycloak versus each alternative.
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