Insights on Identity, Security & Keycloak
Tutorials, deep dives, and best practices from the Skycloak team.
Keycloak vs SuperTokens: Which Open Source Auth to Choose?
Keycloak vs SuperTokens compared: architecture, features, community support, hosting options, enterprise capabilities, and SDK ecosystem for open-source auth.
8 min read
Keycloak Email Configuration: SMTP Setup and Templates
Configure Keycloak SMTP email with Gmail, Amazon SES, SendGrid, and Mailgun. Customize FreeMarker templates for verification and password reset flows.
12 min read
Firebase Auth Alternatives: Beyond Google Lock-In
Compare Firebase Auth alternatives including Keycloak, Supabase Auth, Clerk, Auth0, and Appwrite for developer-friendly authentication beyond Google lock-in.
9 min read
SSO Implementation Guide: SAML and OIDC with Keycloak
Comprehensive SSO implementation guide for developers covering SAML vs OIDC protocols, SP and IdP-initiated flows, single logout, and Keycloak configuration.
12 min read
Keycloak User Not Found: Debugging Identity Resolution
Troubleshoot Keycloak user not found errors caused by username case sensitivity, realm mismatch, LDAP sync issues, IdP linking, and disabled…
9 min read
Keycloak Theme Customization: From Default to Branded Login
Complete guide to Keycloak theme customization including login, account, and admin email themes with FreeMarker templates and production CSS examples.
10 min read
AWS Cognito Alternatives: Open Source and Managed Options
Compare AWS Cognito alternatives including Keycloak, Auth0, Firebase Auth, SuperTokens, and Ory for open-source authentication and identity management.
8 min read
Keycloak Token Exchange: Practical Implementation Guide
Implement Keycloak token exchange (RFC 8693) for impersonation, delegation, and cross-realm token exchange with working Node.js and Java code examples.
9 min read
Is Keycloak Production Ready? A Practical Checklist
A practical production readiness checklist for Keycloak deployments covering PostgreSQL tuning, clustering, TLS, monitoring, backups, and security hardening.
8 min read
How OAuth 2.0 Works: A Developer’s Visual Guide
Visual developer guide to OAuth 2.0 grant types including authorization code with PKCE, client credentials, and device flow with Keycloak…
11 min read
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