diff --git a/Arduino/DasSchmalter/DasSchmalter.ino b/Arduino/DasSchmalter/DasSchmalter.ino
index 87a6c42..77b0c36 100644
--- a/Arduino/DasSchmalter/DasSchmalter.ino
+++ b/Arduino/DasSchmalter/DasSchmalter.ino
@@ -1,3 +1,21 @@
+/*
+    DasSchmalter - The smart switch
+    Copyright (C) 2019  Itsblue Development ( contact@itsblue.de )
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero 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 Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 #include <ESP8266WiFi.h>
 
 // !!IMPORTANT!!
diff --git a/DasSchmalterApp/Qt-Code/appsettings.cpp b/DasSchmalterApp/Qt-Code/appsettings.cpp
index 509fe4c..7593929 100644
--- a/DasSchmalterApp/Qt-Code/appsettings.cpp
+++ b/DasSchmalterApp/Qt-Code/appsettings.cpp
@@ -1,3 +1,21 @@
+/*
+    DasSchmalter - The smart switch
+    Copyright (C) 2019  Itsblue Development ( contact@itsblue.de )
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero 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 Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 #include "appsettings.h"
 
 AppSettings * pGlobalAppSettings = nullptr;
diff --git a/DasSchmalterApp/Qt-Code/appsettings.h b/DasSchmalterApp/Qt-Code/appsettings.h
index 4a6ecb6..6fc9e7a 100644
--- a/DasSchmalterApp/Qt-Code/appsettings.h
+++ b/DasSchmalterApp/Qt-Code/appsettings.h
@@ -1,3 +1,21 @@
+/*
+    DasSchmalter - The smart switch
+    Copyright (C) 2019  Itsblue Development ( contact@itsblue.de )
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero 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 Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 #ifndef APPSETTINGS_H
 #define APPSETTINGS_H
 
diff --git a/DasSchmalterApp/Qt-Code/main.cpp b/DasSchmalterApp/Qt-Code/main.cpp
index ac1103f..06ba20f 100644
--- a/DasSchmalterApp/Qt-Code/main.cpp
+++ b/DasSchmalterApp/Qt-Code/main.cpp
@@ -1,3 +1,21 @@
+/*
+    DasSchmalter - The smart switch
+    Copyright (C) 2019  Itsblue Development ( contact@itsblue.de )
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero 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 Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 #include <QQuickStyle>
 #include <QStandardPaths>
 #include <QtNetwork>
diff --git a/DasSchmalterApp/Qt-Code/main.qml b/DasSchmalterApp/Qt-Code/main.qml
index 9b869d6..a05a062 100644
--- a/DasSchmalterApp/Qt-Code/main.qml
+++ b/DasSchmalterApp/Qt-Code/main.qml
@@ -1,3 +1,21 @@
+/*
+    DasSchmalter - The smart switch
+    Copyright (C) 2019  Itsblue Development ( contact@itsblue.de )
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero 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 Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 import QtQuick 2.9
 import QtQuick.Window 2.2
 import QtQuick.Controls 2.4