@loopback/docs/site/Examples.md

Documentation for LoopBack 4

---
lang: en
title: Example Projects
keywords: LoopBack 4.0
sidebar: lb4_sidebar
permalink: /doc/en/lb4/Examples.html
---

LoopBack 4 comes with the following example projects:

- **[hello-world](https://github.com/strongloop/loopback-next/tree/master/examples/hello-world)**:
  An example showing how to set up a simple application using LoopBack 4.

- **[rpc-server](https://github.com/strongloop/loopback-next/tree/master/examples/rpc-server)**:
  An example showing how to implement a made-up RPC protocol.

- **[greeter-extension](https://github.com/strongloop/loopback-next/tree/master/examples/greeter-extension)**:
  An example showing how to implement the extension point/extension pattern.

- **[loopback4-example-shopping](https://github.com/strongloop/loopback4-example-shopping)**:
  An online e-commerce demo to validate/test the LoopBack 4 framework readiness.

You can download the example projects using our CLI tool `lb4`:

```sh
$ lb4 example
? What example would you like to clone? (Use arrow keys)
> todo: Tutorial example on how to build an application with LoopBack 4.
  todo-list: Continuation of the todo example using relations in LoopBack 4.
  hello-world: A simple hello-world Application using LoopBack 4.
  log-extension: An example extension project for LoopBack 4.
  rpc-server: A basic RPC server using a made-up protocol.
  soap-calculator: An example on how to integrate SOAP web services.
  express-composition: A simple Express application that uses LoopBack 4 REST API.
  greeter-extension: An example showing how to implement the extension point/extension pattern.
  lb3-application: An example LoopBack 3 application mounted in a LoopBack 4 project.
```

Please follow the instructions in
[Install LoopBack4 CLI](Getting-started.md#install-loopback-4-cli) if you don't
have `lb4` installed yet.