| Website | zitadel.com |
| Category | Identity / IAM |
| License | Apache 2.0 (open source) |
| Pricing | Free (self-hosted), Cloud from $100/mo |
Overview
Zitadel is an open-source identity management platform. Authentication, authorization, user management. Built in Go, supports OIDC, SAML, LDAP. Keycloak alternative.
Pros
- Apache 2.0 license
- Cloud-native architecture (Go)
- OIDC, SAML, LDAP support
- Multi-tenancy built in
- Self-hosted or cloud
- Actions system for custom logic
Cons
- Steeper learning curve than Auth0
- Smaller community than Keycloak
- Cloud pricing higher than competitors
- Enterprise features behind paid tier
- Migration from other IdPs can be complex
Verdict
Zitadel is the modern alternative to Keycloak for teams that need enterprise identity management without Java. The Go-based architecture makes it lighter and faster to deploy, multi-tenancy is built in rather than bolted on, and the Apache 2.0 license gives you full commercial freedom.