diff --git a/LICENSE b/LICENSE
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index 0000000..d216686
--- /dev/null
+++ b/LICENSE
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+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.
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