# Contribute Code to the XRP Ledger

The software that powers the XRP Ledger is open-source, so anyone can download, modify, extend, or explore it. Look for "[Source]" links in the [documentation](docs.html) to jump directly into the related source code, or browse the source code on GitHub:

| XRP Ledger Source Code |                                                     |
|:-----------------------|:----------------------------------------------------|
| Repository             | <https://github.com/ripple/rippled/>                |
| License                | [Multiple; ISC (permissive)](https://github.com/ripple/rippled/blob/develop/LICENSE) |
| Programming Language   | C++                                                 |

If you're not sure where to start, Dev Null Productions provides a detailed and thorough [**Source Code Guide**](https://xrpintel.com/source) that describes the structure and functions of the `rippled` XRP Ledger server implementation.


## Related Repositories

You can find various XRP Ledger-related projects under these and other GitHub organizations:

- [Ripple](https://github.com/ripple/)
- [Xpring](https://github.com/xpring-eng/)
- [XRP Community](https://github.com/xrp-community/)
- [XRPL Labs](https://github.com/XRPL-Labs/)

Be sure to look at each repository's license and contributing guidelines before contributing to that repository.