# Envelop Plans

Envelop is an open-source MIT-licensed library maintained by The Guild. There are no commercial subscription tiers or paid plans for Envelop itself. The library is freely available via npm under the `@envelop` scope.

## Open Source (Free)

- Full access to `@envelop/core` and all official plugins
- Community support via GitHub Issues and Discussions
- MIT license — use in commercial and non-commercial projects
- Plugin Hub at https://the-guild.dev/graphql/envelop/plugins

## Related Commercial Offerings from The Guild

While Envelop itself is free, The Guild offers commercial services and products that integrate with or extend Envelop:

### GraphQL Hive (SaaS)
- Schema registry and analytics platform
- Uses the `@envelop/hive` plugin for telemetry ingestion
- Free tier available; paid plans for larger usage
- Details: https://the-guild.dev/graphql/hive/pricing

### Enterprise Support
- The Guild offers enterprise consulting and support contracts
- Contact: https://the-guild.dev/contact

## Key npm Packages

| Package | Description |
|---|---|
| `@envelop/core` | Core envelop runtime and built-in plugins |
| `@envelop/parser-cache` | LRU caching for GraphQL parse phase |
| `@envelop/validation-cache` | LRU caching for GraphQL validate phase |
| `@envelop/generic-auth` | Generic authentication plugin |
| `@envelop/sentry` | Sentry error and performance tracing |
| `@envelop/opentelemetry` | OpenTelemetry tracing integration |
| `@envelop/rate-limiter` | Rate limiting for GraphQL operations |

All packages are published to npm and are free to install and use under the MIT license.