diff --git a/classes/Autoloader.class.inc.php b/classes/Autoloader.class.inc.php
new file mode 100644
index 0000000..dd9ffbb
--- /dev/null
+++ b/classes/Autoloader.class.inc.php
@@ -0,0 +1,79 @@
+<?php
+/**
+ * Class Autoloader
+ * Loads a class on call
+ */
+class Autoloader
+{
+
+    /**
+     * All directorys to search for classes
+     * You can add directorys if you want
+     * @var static $directorys
+     *
+     **/
+    private static $directorys = array('classes', 'controller', 'model', 'views');
+
+    /**
+     * Load's the autoloader
+	 * 
+     * @return void
+     */
+	public function __construct()
+	{
+		if ( !spl_autoload_register( array( $this, 'load_class' ) ) )
+		{
+			die('A fatal error has occurred.');
+		}
+
+	} # function __construct()
+
+    /**
+     * register the autoloader
+     *
+     * @return void
+     */
+	public static function register()
+	{
+		new Autoloader();
+
+	} # function register()
+
+
+    /**
+     * Loads a class
+     *
+     * @param string $a_class_name    Klassen-Name
+     * @return void
+     *
+     */
+	public function load_class( $a_class_name )
+	{
+		foreach ( self::$directorys as $folder )
+		{
+			$file = __DIR__ . '/../' . $folder . '/' . $a_class_name . '.class.inc.php';
+
+			if ( file_exists( $file ) )
+			{
+				require_once $file;
+			}
+			else
+			{
+				$file = __DIR__ . '/../' . $folder . '/' . mb_strtolower( $a_class_name ) . '.class.inc.php';
+				if ( file_exists( $file ) )
+                {
+                   	require_once $file;
+				}
+				else
+                {
+                    $file = __DIR__ . '/../' . $folder . '/' . ucfirst( $a_class_name ) . '.class.inc.php';
+                    if ( file_exists( $file ) )
+                    {
+                        require_once $file;
+                    }
+                }
+			}
+		}
+
+	} # function load_class(...)
+} # class
diff --git a/classes/Database.class.inc.php b/classes/Database.class.inc.php
new file mode 100644
index 0000000..f68a77a
--- /dev/null
+++ b/classes/Database.class.inc.php
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * Class database
+ * This class is for connecting with a database with PDO
+ */
+class Database
+{
+
+    /**
+     * @var PDO
+     */
+    private static $pdo;
+
+    /**
+     * @param PDO $a_pdo PDO instance
+     *
+     * @return void
+     */
+    public static function setConnection( PDO $a_pdo )
+    {
+        self::$pdo = $a_pdo;
+
+    } # function setConnection(...)
+
+    /**
+     * @return PDO
+     */
+    public static function getConnection()
+    {
+        return self::$pdo;
+
+    } # function getConnection()
+
+} # class
\ No newline at end of file
diff --git a/classes/Factory.class.inc.php b/classes/Factory.class.inc.php
new file mode 100644
index 0000000..36952a7
--- /dev/null
+++ b/classes/Factory.class.inc.php
@@ -0,0 +1,65 @@
+<?php
+
+/**
+ * Class Factory
+ * This class returns the action and controller for index file
+ */
+class Factory
+{
+    /**
+     * Returns the right controller
+     *
+     * @param Request $a_request    Request
+     *
+     * @return mixed
+     */
+    public static function getController( Request $a_request )
+    {
+        # Prepare name of controller
+	    $controller_name = mb_strtolower( $a_request->getVar( 'controller' ) );
+        $controller_name = ucfirst( $controller_name );
+        $controller_name .= 'Controller';
+
+        if ( $controller_name === 'Controller')
+        {
+            $controller = new DefaultController();
+
+            return $controller;
+        }
+
+        # if controller doesn't exist
+        if ( !file_exists( __DIR__ . '/../controller/' . $controller_name . '.class.inc.php' ) )
+        {
+            return new DefaultController();
+        }
+
+        # Call controller and returns it
+        $controller = new $controller_name();
+
+        return $controller;
+
+    } # function getController(...)
+
+    /**
+     * Returns the right action
+     * @param $a_controller
+     * @param Request $a_request    Request
+     * @return string
+     */
+    public static function getAction( $a_controller, Request $a_request )
+    {
+        # Prepare name of the action
+        $action_name = mb_strtolower( $a_request->getVar('action') );
+        $action_name = str_ireplace( 'action', '', $action_name );
+        $action_name .= 'Action';
+
+        # Action not found
+        if ( !method_exists( $a_controller, $action_name ) )
+        {
+            return 'indexAction';
+        }
+        return $action_name;
+
+    } # function getAction(...)
+
+} # class
diff --git a/classes/Request.class.inc.php b/classes/Request.class.inc.php
new file mode 100644
index 0000000..f1ddc25
--- /dev/null
+++ b/classes/Request.class.inc.php
@@ -0,0 +1,56 @@
+<?php
+
+/**
+ * Behandelt die Variablen im Request GET / POST
+ * Syntax:
+ * $request = getVar( "Name", "Default Wert falls kein Wert gefunden wurde", "POST/GET" );
+ */
+class Request
+{
+    /**
+     * GET-Request Name
+     * @var static
+     */
+    public static $GET = 'GET';
+
+    /**
+     * POST-Request Name
+     * @var static
+     */
+    public static $POST = 'POST';
+
+    /**
+     * Request Variablen-Wert zurückgeben
+     *
+     * @param string        $a_name     Name des Parameters
+     * @param string|null   $a_default  Default-Wert, falls nicht vorhadnen
+     * @param string        $a_request  Request(GET oder POST)
+     *
+     * @return mixed
+     */
+    public function getVar( $a_name, $a_default = null, $a_request = 'GET' )
+    {
+        if ( $a_request === self::$GET )
+        {
+            $requestArray = $_GET;
+        }
+        else if ( $a_request === self::$POST )
+        {
+            $requestArray = $_POST;
+        }
+        else
+        {
+            $requestArray = array();
+        }
+
+        # Wert im Request vorhanden
+        if ( isset( $requestArray[$a_name] ) )
+        {
+            return htmlspecialchars( $requestArray[$a_name] );
+        }
+
+        return $a_default;
+
+    } # function getVar(...)
+
+} # class
\ No newline at end of file