diff --git a/examples/testbed/framework/controller.cpp b/examples/testbed/framework/controller.cpp
index 9fee1c2..94adfa7 100644
--- a/examples/testbed/framework/controller.cpp
+++ b/examples/testbed/framework/controller.cpp
@@ -1,3 +1,21 @@
+/*
+* Copyright (c) 2016-2016 Irlan Robson http://www.irlan.net
+*
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 1. The origin of this software must not be misrepresented; you must not
+* claim that you wrote the original software. If you use this software
+* in a product, an acknowledgment in the product documentation would be
+* appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+* misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+*/
+
 #include <testbed/framework/controller.h>
 #include <testbed/framework/model.h>
 #include <testbed/framework/view.h>
diff --git a/examples/testbed/framework/model.cpp b/examples/testbed/framework/model.cpp
index afdb52c..cc4a029 100644
--- a/examples/testbed/framework/model.cpp
+++ b/examples/testbed/framework/model.cpp
@@ -1,3 +1,21 @@
+/*
+* Copyright (c) 2016-2016 Irlan Robson http://www.irlan.net
+*
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 1. The origin of this software must not be misrepresented; you must not
+* claim that you wrote the original software. If you use this software
+* in a product, an acknowledgment in the product documentation would be
+* appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+* misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+*/
+
 #include <testbed/framework/model.h>
 
 Model::Model()
diff --git a/examples/testbed/framework/view.cpp b/examples/testbed/framework/view.cpp
index cf32c5c..00e99c5 100644
--- a/examples/testbed/framework/view.cpp
+++ b/examples/testbed/framework/view.cpp
@@ -1,3 +1,21 @@
+/*
+* Copyright (c) 2016-2016 Irlan Robson http://www.irlan.net
+*
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 1. The origin of this software must not be misrepresented; you must not
+* claim that you wrote the original software. If you use this software
+* in a product, an acknowledgment in the product documentation would be
+* appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+* misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+*/
+
 #include <testbed/framework/view.h>
 #include <testbed/framework/model.h>