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.
LCCurated by Louis Corneloup · UpdatedWhy 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:
- •Pricing at scale (rare for this tool, but feature limits push teams out)
- •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. No paid placement.
8 alternatives to Keycloak
Ranked by real-signal composite (rankingScore + community + reviews) and direct relevance to Keycloak.
- 1
Okta
PaidHigher rated by usersEnterprise identity management
Direct alternative4.6(2,101)Compare Keycloak vs Okta → - 2
Auth0
FreemiumIdentity platform for developers
Direct alternative4.4(388)Compare Keycloak vs Auth0 → - 3
Ping Identity
PaidHigher rated by usersEnterprise identity security solutions
Direct alternative4.5(145)Compare Keycloak vs Ping Identity → - 4
Azure
PaidBattle-tested at scaleMicrosoft's cloud, essential for enterprises running Windows
Direct alternative4.4(97,447)Compare Keycloak vs Azure → - 5
Proton
FreemiumHigher rated by usersTake control of your digital life with end-to-end encrypted communication, storage, and browsing.
Direct alternative4.7(32,118)Compare Keycloak vs Proton → - 6
TeamViewer
FreemiumHigher rated by usersThe platform for the digital workplace, enabling seamless remote access, support, and IT management.
Direct alternative4.6(15,579)Compare Keycloak vs TeamViewer → - 7
1Password
PaidHigher rated by usersSecurely store passwords, cards, and docs with end-to-end encryption
Direct alternative4.7(3,839)Compare Keycloak vs 1Password → - 8
Mailchimp Transactional
FreemiumBattle-tested at scaleSend targeted and event-driven emails and SMS messages with best-in-class deliverability.
Direct alternative4.4(30,300)Compare Keycloak vs Mailchimp Transactional →
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.
Still considering Keycloak?
See the full review, pricing breakdown, and community feedback before you decide.