# Self-hosting is possible, no vendor lock-in  We're dedicated to Open Source

WunderGraph Cosmo is the only fully comprehensive Open-Source GraphQL API Management solution, covering all aspects of building, managing and iterating on a Federated Graph at any scale.

Batteries included

### The Complete GraphQL API Management Solution

Manage the Full Lifecycle of your Federated Graph with WunderGraph Cosmo, from schema design to breaking change detection, from authentication to tracing and analytics.

- Schema Registry
- Schema Composition Checks
- CI/CD Integration
- RBAC & SSO
- Breaking-Change Detection based on real traffic
- Metrics, Tracing and Analytics
- Schema Change Notifications

Apache 2.0 Licensed

### Fully Open-Source

WunderGraph Cosmo is fully Open-Source and licensed under the Apache 2.0 license, allowing you to use it in any project, commercial or not, without any restrictions.

- Apache 2.0 Licensed
- No vendor lock-in
- No complicated legal validation required
- No limitations
- No double licensing

### Cloud Native GraphQL API Management

Cosmo builds on top of the best-in-class Open-Source technologies, such as Kubernetes, OpenTelemetry, OpenID Connect, Prometheus and many more.

- Kubernetes for Deployments
- OpenTelemetry for Tracing and Metrics
- OpenID Connect for Authentication
- Prometheus for Router Metrics
- S3 for Router Configs & Persisted Operations
- PostgreSQL for Schema Registry
- ClickHouse for Analytics

### Supports Apollo Federation v1 & v2

### The most powerful Open-Source GraphQL Router / Gateway

WunderGraph Cosmo comes with a fully featured Federation Router / Gateway implemented in Golang, packed with features and easy to extend.

- Supports Apollo Federation v1 & v2
- Supports GraphQL over HTTP
- Supports GraphQL Subscriptions over WebSockets & SSE
- Supports JWKS and JWTs for Authentication
- Customizable with Plugins
- Export Metrics, Tracing and Analytics with OpenTelemetry and Prometheus

We love APIs!

## Get in touch!

We'd love to hear about your use-case and how we can help you to take your team or project to the next level.

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