CUBELinux LICENSE — source-available, non-commercial by default
Copyright (c) 2026 CUBELinux (CUBELinux.com) / DULRobotics (DULRobotics.com)

1. Permission is granted to use, copy, modify, and distribute this software,
   in source or binary form, with or without modification, FOR PERSONAL AND
   NON-COMMERCIAL DEVELOPMENT AND TESTING, provided this license and the
   copyright notice are retained.

2. COMMERCIAL USE (any use to obtain a commercial benefit, including selling
   the software or a service built on it, or use inside a commercial product)
   is permitted ONLY under a separate written COMMERCIAL LICENSE from the
   copyright holder. Unlicensed commercial use is prohibited.

3. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.

4. The copyright holder may later release it under an open-source license or
   grant commercial licenses at its discretion.