diff --git a/sysmoOCTSIM/LICENSE b/sysmoOCTSIM/LICENSE
new file mode 100644
index 0000000..f15a3c0
--- /dev/null
+++ b/sysmoOCTSIM/LICENSE
@@ -0,0 +1,488 @@
+The sysmocom sysmoOCTSIM firmware is under the GPLv2 or later license.
+It uses the Microchip ASFv4 library under the ASF license.
+The CMSIS definitions are under the Apache-2.0 license
+The header of each file indicates under which license the corresponding source code is.
+You can find the complete text of the licenses below.
+
+= GPLv2
+
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+                       Version 2, June 1991
+
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