# TagDataTranslation -- Licensing

TagDataTranslation is licensed under the **Business Source License 1.1** (BSL 1.1).

## What This Means

The BSL 1.1 allows you to freely copy, modify, create derivative works, redistribute, and make **non-production use** of the library. Production use requires a commercial license.

This is the same licensing model used by HashiCorp (Terraform), MariaDB, Sentry, and CockroachDB.

## Non-Production Use (Free)

You may use TagDataTranslation without a commercial license for:

- Development and testing
- Evaluation and proof-of-concept
- Academic and educational purposes
- Personal non-commercial projects
- Contributing to the project

## Production Use (Commercial License Required)

Any production deployment requires a commercial license. This includes:

- Production internal tools and services
- Products sold to customers
- Production mobile apps (Android, iOS, MAUI)
- Production APIs and network services

See `TagDataTranslation/Licenses/COMMERCIAL-LICENSE.md` for details, or contact:

- **Email:** tdt@mimasu.nl
- **Web:** https://www.mimasu.nl

## Change Date

Each version of the Licensed Work automatically converts to **Apache License 2.0** four years after its initial publication. At that point, all production-use restrictions are removed for that version.

## GS1 Artifacts

The included JSON scheme definitions and XSD artifacts are (c) GS1 and are subject to GS1's terms of use. See https://www.gs1.org/standards/epc-rfid/tdt.

## FAQ

**Q: Can I use TagDataTranslation in a commercial product?**
Yes, with a commercial license. Contact tdt@mimasu.nl.

**Q: Can I use it for testing and development?**
Yes, non-production use is free under BSL 1.1.

**Q: What about internal production tools?**
Internal production use also requires a commercial license.

**Q: When does it become fully open source?**
Each version converts to Apache 2.0 four years after its release date.

**Q: Can I fork the code?**
Yes, you can copy and modify the code. The BSL 1.1 terms apply to your derivative work as well -- non-production use is free, production use requires a commercial license (until the Change Date).
