ESW License Policy

1. Project license

The ESW core project is licensed under the MIT License.

2. Allowed licenses for dependencies

The following licenses are permitted for dependencies and submodules:

• MIT
• BSD 2-Clause
• BSD 3-Clause
• Apache License 2.0
• ISC

These licenses are compatible with the MIT License and do not impose reciprocal obligations.

3. Restricted licenses

The following licenses are not permitted without explicit approval:

• GPL v2 / GPL v3
• AGPL v3
• LGPL (all versions)
• SSPL
• BSL
• Any license with usage restrictions

4. Reasoning

Restricted licenses may:

• introduce copyleft obligations
• limit future relicensing
• conflict with public-sector requirements

5. Exception handling

Exceptions require written approval by the ESW project maintainers and must be documented.