# Summary
* [Introduction](./intro.md)
* [Become a Validator](./become-a-validator.md)
* [Docker](./docker.md)
* [CLI](./cli.md)
* [Testnets](./testnets.md)
* [Simple Local Testnet](./simple-testnet.md)
* [API](./api.md)
* [HTTP (RESTful JSON)](./http.md)
* [WebSocket](./websockets.md)
* [Contributing](./contributing.md)
* [Development Environment](./setup.md)