This guide explains when Forge can be used under GPL and when a commercial license is typically needed.
This document is informational and not legal advice.
- Forge source code is offered under
GPL-3.0-or-later. - Forge source code is also available under a commercial license from CrowdWare.
- SML and SMS are open languages. You can write and use SML/SMS files for your own projects.
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Your users install Forge Runner themselves, and you only ship your SML/SMS project content.
- Usually no commercial Forge license is needed from CrowdWare.
- You still need to respect licenses of any third-party assets or dependencies you distribute.
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You bundle or redistribute Forge code/runtime with your own product.
- You can comply with GPL obligations and distribute under GPL terms.
- If you want to keep your distributed product proprietary, obtain a commercial license from CrowdWare.
For commercial licensing inquiries, contact CrowdWare:
- Website: https://crowdware.info/
- Email: japp.olaf@gmail.com