Add licensing info to README.md
diff --git a/README.md b/README.md
index 98ec28e..18357d4 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,11 @@
LoxiGen currently supports OpenFlow Versions **1.0**, **1.1**, **1.2**, and **1.3.1**. Versions 1.0
and 1.3.1 are actively used in production. Support for versions 1.1 and 1.2 is considered experimental.
+Loxigen is free and open source software. The Loxigen tool itself is licensed under the [Eclipse Public
+License, version 1.0](http://www.eclipse.org/legal/epl-v10.html) (EPL), with an exception allowing for the distribution of the generated artifacts
+under terms of your choice (copyright notices must be retained, see the [loxigen.py](loxigen.py)
+header for details.)
+
Prerequisites
=============