Keycloak

Enterprise user authentication without Auth0 or Okta costs. Keycloak gives you single sign-on, social login, and user management for all your applications - completely free and backed by Red Hat.

Overview

Property	Value
Category	Security
Deployments	3
Tech Stack	PostgreSQL, Java/Keycloak
Tags	SSO, Two-factor, Enterprise, Auth0 alternative

Features

No per-user fees - Unlike Auth0 or Okta, completely free for unlimited users
One login for everything - Single sign-on across all your internal applications
Social login ready - Add Google, Facebook, GitHub login without custom code
Enterprise integration - Works with LDAP, Active Directory, and existing systems
Multi-factor authentication - Built-in 2FA for enhanced security
Industry standards - OAuth 2.0, OpenID Connect, SAML 2.0 support
Web admin console - Manage users, roles, and permissions visually
Red Hat backed - Enterprise support available as RH-SSO if needed

Use Cases

Growing companies - Add SSO to internal tools without expensive per-user Auth0 pricing
B2B SaaS - Offer enterprise customers single sign-on and SAML integration
Multiple applications - One login system for all your company's apps and services
API security - Protect APIs with OAuth2 tokens and fine-grained permissions
Customer portals - Let users login with Google, GitHub, or other social accounts
Enterprises - Replace expensive identity providers with open-source alternative

Quick Deploy

Deploy this template with one click on CloudStation:

https://app.cloud-station.io/template-store/keycloak?deploy=true

Configuration

Key environment variables for Keycloak:

Variable	Description
`KEYCLOAK_ADMIN`	Initial admin username
`KEYCLOAK_ADMIN_PASSWORD`	Initial admin password
`KC_DB`	Database vendor (postgres)
`KC_DB_URL`	Database JDBC URL
`KC_HOSTNAME`	Public hostname

This template is maintained by CloudStation and receives regular updates.