WortFlow Database License
==========================

This database is licensed under the Creative Commons Attribution-ShareAlike 4.0
International License (CC-BY-SA 4.0).

COMMERCIAL USE ALLOWED: This license permits commercial use of this database,
including in paid mobile applications, subscription services, and commercial
products.

You are free to:
- Share — copy and redistribute the material in any medium or format
- Adapt — remix, transform, and build upon the material for any purpose,
  INCLUDING COMMERCIALLY
- Use in commercial products — integrate into paid apps, services, or products

Under the following terms:
- Attribution — You must give appropriate credit, provide a link to the license,
  and indicate if changes were made
- ShareAlike — If you remix, transform, or build upon the material, you must
  distribute your contributions under the same license as the original

Full license text: https://creativecommons.org/licenses/by-sa/4.0/legalcode

IMPORTANT: This license applies to the DATABASE CONTENT ONLY. The WortFlow
mobile application code, user interface, and branding are separate works with
their own licensing (© 2025 WortFlow Team, All Rights Reserved).


COMPONENTS AND ATTRIBUTION
===========================

1. Dictionary Data (333,806 entries)
   Source: Wiktionary (via kaikki.org)
   URL: https://kaikki.org/dewiktionary/
   License: CC-BY-SA 3.0 / GFDL
   Copyright: Wiktionary contributors

   Attribution:
   - This database contains data from Wiktionary (https://www.wiktionary.org/)
   - Processed by kaikki.org (Tatu Ylonen)
   - For academic use, please cite:
     Ylonen, Tatu (2022). "Wiktextract: Wiktionary as Machine-Readable
     Structured Data". Proceedings of the 13th Conference on Language
     Resources and Evaluation (LREC), pp. 1317-1325.

2. Inflected Forms Index (1,272,962 entries)
   Source: Derived from Wiktionary data (via kaikki.org)
   License: CC-BY-SA 3.0
   Copyright: Wiktionary contributors

3. Example Sentences (AI-Assisted, Human-Curated)
   Creator: WortFlow Team (Original Work)
   License: CC-BY-SA 4.0 (chosen to match base dictionary data)
   Copyright: © 2025 WortFlow Team

   Note: These example sentences are original works created by the WortFlow
   Team using AI assistance and manual curation. While the WortFlow Team
   holds copyright on these examples, they are voluntarily released under
   CC-BY-SA 4.0 to ensure the entire database remains under a single,
   consistent license.

   WortFlow Team retains all rights to the original example sentences and
   may dual-license them for other purposes.


COMBINED WORK LICENSE
======================

Due to the CC-BY-SA (ShareAlike) requirement of the source dictionary data,
the entire database as a combined work is licensed under CC-BY-SA 4.0.

Any derivative works based on this database must:
1. Provide proper attribution to Wiktionary and WortFlow
2. Be licensed under CC-BY-SA 4.0 or a compatible license
3. Indicate any changes made to the original data


HOW TO ATTRIBUTE
=================

Suggested attribution text:

  "German dictionary data from Wiktionary (via kaikki.org),
   licensed under CC-BY-SA. WortFlow database by WortFlow Team,
   licensed under CC-BY-SA 4.0."

For web/app display:
  - Link to this license file
  - Link to Wiktionary: https://www.wiktionary.org/
  - Link to kaikki.org: https://kaikki.org/


DISCLAIMER
==========

THE DATABASE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.


ADDITIONAL RESOURCES
====================

- Wiktionary Copyright: https://en.wiktionary.org/wiki/Wiktionary:Copyrights
- CC-BY-SA 4.0 Full Text: https://creativecommons.org/licenses/by-sa/4.0/legalcode
- kaikki.org: https://kaikki.org/
- WortFlow: https://wortflow.alty.ai/