> ## Documentation Index
> Fetch the complete documentation index at: https://docs.levelrail.com/llms.txt
> Use this file to discover all available pages before exploring further.

# License and notices

> Levelrail is licensed under Apache 2.0 with one edition and no paid tier. What that means in plain language and where to read the full text.

# License and notices

Levelrail is licensed under the [Apache License, Version 2.0](https://github.com/glincker/levelrail/blob/main/LICENSE). There is one edition, with no license key and no feature gated behind a plan.

## What it allows

* Use the software for any purpose, including commercially.
* Modify it and distribute your changes.
* Use it in private without sharing your changes.

## What it asks

* Keep the license text and copyright notices when you redistribute it.
* State significant changes you make to files you redistribute.
* Understand it is provided without warranty. See the [terms of use](/terms).

## Patents and trademarks

The license includes a patent grant from contributors. It does not grant rights to use the Levelrail name or logo beyond describing where the software comes from.

## Contributions

Contributions are accepted under the same license. See the [contributing guide](https://github.com/glincker/levelrail/blob/main/CONTRIBUTING.md).

## Third-party software

Levelrail builds on open source libraries, each under its own license. The dependency manifests in the repository list them, and the project's supply-chain documentation describes how they are tracked: see [supply chain](/supply-chain).

## Security

Report vulnerabilities through the [security policy](https://github.com/glincker/levelrail/blob/main/SECURITY.md).

## Contact

Questions about this page: [support@levelrail.com](mailto:support@levelrail.com).


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