diff --git a/tools/extracttests.py b/tools/extracttests.py
index 565ebc646..6d645b48d 100755
--- a/tools/extracttests.py
+++ b/tools/extracttests.py
@@ -1,4 +1,20 @@
 #!/usr/bin/python
+#
+# Cppcheck - A tool for static C/C++ code analysis
+# Copyright (C) 2007-2013 Daniel Marjamaeki and Cppcheck team.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 """
 Extract test cases information from Cppcheck test
diff --git a/tools/matchcompiler.py b/tools/matchcompiler.py
index fef2e4ece..c3ac1ba1d 100755
--- a/tools/matchcompiler.py
+++ b/tools/matchcompiler.py
@@ -1,4 +1,20 @@
 #!/usr/bin/python
+#
+# Cppcheck - A tool for static C/C++ code analysis
+# Copyright (C) 2007-2013 Daniel Marjamaeki and Cppcheck team.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import os
 import sys
diff --git a/tools/reduce.cpp b/tools/reduce.cpp
index b60dc29c0..6d3654471 100644
--- a/tools/reduce.cpp
+++ b/tools/reduce.cpp
@@ -1,4 +1,20 @@
-
+/*
+ * Cppcheck - A tool for static C/C++ code analysis
+ * Copyright (C) 2007-2013 Daniel Marjamäki and Cppcheck team.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 #include <fstream>
 #include <iostream>
 #include <sstream>
@@ -657,4 +673,3 @@ int main(int argc, char *argv[])
 
     return EXIT_SUCCESS;
 }
-