Version: ESAL-1.4 Author: Clove Nytrix Doughmination Twilight Copyright: © 2026
The Estrogen Source-Available Licence (ESAL) is a custom source-available software licence created by Clove Nytrix Doughmination Twilight.
It allows inspection, modification, and redistribution of source code for non-commercial purposes, while protecting attribution, trademarks, and commercial licensing rights.
The complete legal licence text is available in the LICENSE.md file.
This summary is not legally binding.
You may:
- Use the software for personal, academic, or research purposes
- Modify the software
- Share the software and modified versions (non-commercially)
You must:
- Include the copyright notice
- Include the full licence
- Credit Clove Nytrix Doughmination Twilight
- Mark modified versions clearly
You may not:
- Use the software commercially without a separate licence
- Remove attribution
- Claim authorship of the original work
- Use trademarked systems or branding without permission
/
├─ LICENSE.md
├─ README.md
├─ derivative-licence-permissions/
└─ licence-archive/
Contains the current official version of the Estrogen Source-Available Licence.
This directory contains records of written permissions granted for the creation of derivative licences based on ESAL.
Under Section 13 (Derivative Licences) of ESAL, creation of licences derived from or based on ESAL requires prior written permission from Clove Nytrix Doughmination Twilight.
Documents in this directory may include:
- written authorisations
- records of approved derivative licences
- attribution requirements
- additional conditions attached to derivative permissions
These documents serve as public records of authorised derivative licence usage.
This directory contains archived versions of the Estrogen Source-Available Licence.
Archived versions are kept for:
- historical reference
- compatibility with projects using older versions
- transparency regarding licence changes
Projects may continue using the version of ESAL under which they were originally released unless otherwise specified.
Archived files may include versions such as:
- ESAL-1.2
- ESAL-1.3
Commercial use is not permitted under the default licence.
Anyone wishing to use ESAL-licensed software commercially must obtain a separate written commercial licence.
Commercial licensing enquiries:
Official licensing records may also be maintained in the licensing repository:
https://github.com/doughmination/licencing
The Estrogen Source-Available Licence is not an Open Source Initiative approved licence.
It is a source-available licence, meaning the source code is visible and modifiable but commercial and trademark rights remain restricted.
Created and maintained by:
Clove Nytrix Doughmination Twilight