# Use Cases

Use these roadmaps to walk you, task-by-task, through implementing your use case.

Here are some of our users' most popular use cases:

* **[Run a rippled Validator](run-a-rippled-validator.html)**

      Learn how to install, run, and maintain a `rippled` server in validator mode.

* **[List XRP in My Exchange](list-xrp-in-your-exchange.html)**

      Integrate with the XRP Ledger to be able to list XRP in your exchange, enabling your users to deposit and withdraw XRP.

* **[Contribute Code to `rippled`](contribute-code-to-rippled.html)**

      Help us improve the open source reference server implementation of `rippled`, the server that is the core of the XRP Ledger peer-to-peer network.


Want to see a roadmap for a case not listed here? [Contact us >](mailto:docs@ripple.com)