Best Open Source Identity & Access Management Alternatives to Okta in 2026

Keycloak supports the same SSO protocols as Okta (SAML 2.0, OpenID Connect, OAuth 2.0) and can handle enterprise SSO deployments. However, Keycloak lacks Okta's 7,000+ pre-built application integrations, meaning your team must configure each application connection manually. For organizations with 50-200 SaaS applications, this manual integration work is significant. Keycloak is a viable Okta replacement if you have the engineering resources to manage integrations and operate the infrastructure.

While open-source IAM eliminates licensing fees, total cost of ownership includes infrastructure hosting, engineering time for deployment and configuration, ongoing patching and upgrades, high-availability architecture, disaster recovery planning, and security monitoring of the identity platform itself. For a team running Keycloak in production, expect to allocate 0.5 to 1 full-time engineer for operations. At enterprise scale, this operational cost can approach or exceed Okta's per-user licensing.

Keycloak has a strong security track record with active maintenance from Red Hat and a responsive security disclosure process. It undergoes regular security audits and has a well-documented security hardening guide. However, security in production depends entirely on your deployment. Proper TLS configuration, database security, network isolation, and timely patching are your responsibility. Organizations using Keycloak in production should treat it as a critical security service and apply rigorous operational security practices.

JumpCloud offers a fully functional free tier for up to 10 users that includes directory, SSO, MFA, and device management. Far more generous than Okta, which has no free tier for workforce identity. For small teams, startups, and pilot projects, JumpCloud's free tier provides a complete identity platform at no cost. The trade-off is a smaller SSO integration catalog and less mature governance features compared to Okta.