# Hub Monorepo A monorepo codebase that implements the [Farcaster Hub specification](https://github.com/farcasterxyz/protocol#4-hubs) in Typescript and Protocol Buffers. | Package Name | Description | | --------------------------------------------- | ----------------------------------------------------- | | [@farcaster/hubble](/apps/hubble) | A Hub, which can be run as a stand-alone application. | | [@farcaster/hub-nodejs](/packages/hub-nodejs) | A Node.js Client, used to talk to a Hub. | | [@farcaster/protobufs](/packages/protobufs/) | Protobuf and gRPC definitions for Hub interfaces. | | [@farcaster/utils](/packages/utils/) | A package with shared utility functions. | ## Contributing Please see [CONTRIBUTING.md](./CONTRIBUTING.md)