diff --git a/sourcemm/LICENSE.txt b/sourcemm/LICENSE.txt
new file mode 100644
index 0000000..a65e83e
--- /dev/null
+++ b/sourcemm/LICENSE.txt
@@ -0,0 +1,29 @@
+The software is Copyright (C) 2004-2005, Metamod:Source Development Team.
+
+Metamod:Source is distributed under the "zLib/libpng" license, which is reproduced
+below:
+
+-----------------------------------------------------------------------------
+
+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.
+
+-----------------------------------------------------------------------------
+
+The zLib/libpng license has been approved by the "Open Source Initiative"
+organization.
\ No newline at end of file
diff --git a/sourcemm/sample_mm/LICENSE.txt b/sourcemm/sample_mm/LICENSE.txt
new file mode 100644
index 0000000..17aaa7f
--- /dev/null
+++ b/sourcemm/sample_mm/LICENSE.txt
@@ -0,0 +1,29 @@
+The software is Copyright (C) 2004-2005, Metamod:Source Development Team.
+
+Metamod:Source is distributed under the "zLib/libpng" license, which is reproduced
+below:
+
+-----------------------------------------------------------------------------
+
+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.
+
+-----------------------------------------------------------------------------
+
+The zLib/libpng license has been approved by the "Open Source Initiative"
+organization.
diff --git a/sourcemm/sample_mm/SamplePlugin.cpp b/sourcemm/sample_mm/SamplePlugin.cpp
index ad07c5f..5ec7204 100644
--- a/sourcemm/sample_mm/SamplePlugin.cpp
+++ b/sourcemm/sample_mm/SamplePlugin.cpp
@@ -1,3 +1,13 @@
+/* ======== sample_mm ========
+* Copyright (C) 2004-2005 Metamod:Source Development Team
+* No warranties of any kind
+*
+* License: zlib/libpng
+*
+* Author(s): David "BAILOPAN" Anderson
+* ============================
+*/
+
 #include <oslink.h>
 #include "SamplePlugin.h"
 
diff --git a/sourcemm/sample_mm/SamplePlugin.h b/sourcemm/sample_mm/SamplePlugin.h
index d8a2448..1c967d6 100644
--- a/sourcemm/sample_mm/SamplePlugin.h
+++ b/sourcemm/sample_mm/SamplePlugin.h
@@ -1,3 +1,13 @@
+/* ======== sample_mm ========
+* Copyright (C) 2004-2005 Metamod:Source Development Team
+* No warranties of any kind
+*
+* License: zlib/libpng
+*
+* Author(s): David "BAILOPAN" Anderson
+* ============================
+*/
+
 #ifndef _INCLUDE_SAMPLEPLUGIN_H
 #define _INCLUDE_SAMPLEPLUGIN_H
 
diff --git a/sourcemm/sample_mm/meta_hooks.h b/sourcemm/sample_mm/meta_hooks.h
index dfce933..0f72541 100644
--- a/sourcemm/sample_mm/meta_hooks.h
+++ b/sourcemm/sample_mm/meta_hooks.h
@@ -1,3 +1,13 @@
+/* ======== sample_mm ========
+* Copyright (C) 2004-2005 Metamod:Source Development Team
+* No warranties of any kind
+*
+* License: zlib/libpng
+*
+* Author(s): David "BAILOPAN" Anderson
+* ============================
+*/
+
 #ifndef _INCLUDE_META_HOOKS_H
 #define _INCLUDE_META_HOOKS_H