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Gluu Flex

gluu.org

WebLinuxAPISelf-hosted
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Spec score 7.5 #22 of 31 in Authentication Software

Spec sheet

Purpose
Gluu Flex is a self-hosted software distribution for building highly available, multi-datacenter identity and access management infrastructure.Read 4 Oct 2026 · gluu.org
Intended users
Gluu describes Flex for organizations that need to self-host authentication and authorization, including businesses with data sovereignty or security requirements.Read 4 Oct 2026 · gluu.org
Support
The Gluu Flex contract includes guaranteed response times and consultative support through the support portal.Read 4 Oct 2026 · docs.gluu.org
Headquarters
Austin, Texas, USARead 28 Sep 2026 · gluu.org
Admin UI
The reactive web Admin UI lets administrators view and edit Auth Server configuration properties, interception scripts, clients, and metrics.Read 4 Oct 2026 · docs.gluu.org
Audit and threat detection
Flex collects Cedarling decision logs and can connect authorization decision events to ITDR services for real-time protection and fraud detection.Read 4 Oct 2026 · gluu.org
Authentication
Listed use cases include OpenID and SAML federation, single sign-on, mobile authentication, multi-factor and passwordless authentication, and device-flow authentication.Read 4 Oct 2026 · gluu.org
Authorization security
The Cedarling validates JWT signatures and contents and can check revocation status using the issuer’s latest OAuth Status List.Read 4 Oct 2026 · gluu.org
Compliance deployment
An optional deployment profile is stated to conform with DISA STIG requirements for Red Hat Linux.Read 4 Oct 2026 · gluu.org
Data stores
Flex documentation lists MySQL or Postgres for data storage and says Redis can be configured as an in-memory cache.Read 4 Oct 2026 · docs.gluu.org
Deployment options
Documentation lists development and testing quick starts, Helm deployments for Amazon, Google, Microsoft, local Kubernetes and Rancher, and VM packages for Ubuntu, SUSE and Red Hat.Read 4 Oct 2026 · docs.gluu.org
Directory integrations
The listed use cases include synchronization with Active Directory or Keycloak and internal identity connections through SCIM.Read 4 Oct 2026 · gluu.org
Identity stack
Flex is a commercially supported distribution of the Linux Foundation Janssen Project with an open-source core and a commercial Admin UI.Read 4 Oct 2026 · docs.gluu.org
MFA methods
Casa supports self-service MFA credentials including SMS, one-time passwords, FIDO authentication, and passkeys.Read 4 Oct 2026 · gluu.org
Social login
Built-in social login supports Google, Facebook, Apple, Microsoft Entra ID, and other consumer identity providers that support OpenID Connect.Read 4 Oct 2026 · gluu.org
Subscription limitation
When a Gluu subscription expires, the commercial Admin UI locks while the open-source authentication service continues running.Read 4 Oct 2026 · gluu.org

Plans and prices

Flex Licence — 100 MAU Priced on request 100 MAU · licence pricing based on peak monthly active users Read 4 Oct 2026 · gluu.org
Flex Licence — 400 MAU Priced on request 400 MAU · licence pricing based on peak monthly active users Read 4 Oct 2026 · gluu.org
Flex Licence — 1,600 MAU Priced on request 1,600 MAU · licence pricing based on peak monthly active users Read 4 Oct 2026 · gluu.org

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Where Specifiction places it

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