# Dual License Notice

This software is available under two different licenses:

## 1. Non-Commercial License (Default)

By default, this software is licensed under the **PolyForm Noncommercial License 1.0.0**.

**You are free to:**
- You may use, study, and modify the software for research, academic, educational, or personal purposes only.
- Modify and create derivative works.
- Distribute copies and modifications.
- All functional of this framework (library) including the last version 1.0.9.

**Restrictions:**
- Commercial use is NOT permitted under this license.
- Any commercial use (including SaaS, internal business use, resale, or integration into a commercial product) is not permitted under this license.
- You must include this license notice in all copies or substantial portions.

**Full license text:** [LICENSE](https://github.com/s-kav/ds_tools/blob/main/LICENSE-NC.txt)

## 2. Commercial License

If you wish to use this software for commercial purposes, you must obtain a separate commercial license from the copyright holder.
For commercial use, including but not limited to:
- Integration into commercial products or services
- Use in revenue-generating applications
- Distribution as part of commercial software

**You must obtain a separate commercial license.**

### Commercial License Benefits:
- No restrictions on commercial use
- No copyleft requirements
- Priority support and maintenance
- Legal protection and indemnification
- Right to create proprietary derivatives
- The commercial license grants rights for production, internal business operations, SaaS hosting, and redistribution in proprietary products.

### How to Obtain Commercial License - for details on pricing and terms, please contact:
- Contact: [kavserg@gmail.com]
- Include details about your intended use case
- [Draft License](https://github.com/s-kav/ds_tools/blob/main/CLA.md)

## License Determination

If you're unsure whether your use case qualifies as commercial, please contact us. Generally:

**Non-Commercial (Free):**
- Academic research and publications
- Educational coursework and teaching
- Personal learning and experimentation
- Open-source projects
- Non-profit organizations (for non-revenue activities)

**Commercial (Paid License Required):**
- Integration into products sold for profit
- Use in Software-as-a-Service platforms
- Internal use at for-profit companies
- Consulting services using this software
- Any use that directly or indirectly generates revenue

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**Copyright Notice:**
Copyright (c) [2025] [Sergii Kavun]. All rights reserved.

**Questions?** 
For licensing questions or commercial inquiries: [kavserg@gmail.com]