diff --git a/main.php b/main.php
index 7374d5f..ca30f2e 100755
--- a/main.php
+++ b/main.php
@@ -140,7 +140,14 @@ $classWideContent = ($ACT === "show") ? "": "wide-content ";
 
                             <div class="menu-tool-select">
                                 <h5 class="sr-only" role="heading" aria-level="2"><?php echo tpl_getLang('head_menu_tool-select') ?></h5>
-                                <?php tpl_actiondropdown($lang['tools'], "test"); ?>
+                                <?php
+                                if (file_exists(DOKU_INC . 'inc/Menu/MobileMenu.php')) {
+                                    echo (new \dokuwiki\Menu\MobileMenu())->getDropdown();
+                                } else {
+                                    //Pre-Greebo Backwards compatibility
+                                    tpl_actiondropdown($lang['tools'], "test");
+                                }
+                                ?>
                             </div><!-- .menu-tool-select -->
                         </div><!-- .headings -->
                     </div><!-- .col -->
diff --git a/tpl/main-sidebar-nav.php b/tpl/main-sidebar-nav.php
index a084504..7157957 100644
--- a/tpl/main-sidebar-nav.php
+++ b/tpl/main-sidebar-nav.php
@@ -12,14 +12,19 @@
     <div class="nav-panel level1">
         <ul id="sidebar-site-tools">
             <?php
-            tpl_toolsevent(
-                'sitetools',
-                array(
-                    'recent' => tpl_action('recent', 1, 'li', 1),
-                    'media' => tpl_action('media', 1, 'li', 1),
-                    'index' => tpl_action('index', 1, 'li', 1),
-                )
-            );
+            if (file_exists(DOKU_INC . 'inc/Menu/SiteMenu.php')) {
+                echo (new \dokuwiki\Menu\SiteMenu())->getListItems();
+            } else {
+                //Pre-Greebo Backwards compatibility
+                tpl_toolsevent(
+                    'sitetools',
+                    array(
+                        'recent' => tpl_action('recent', 1, 'li', 1),
+                        'media' => tpl_action('media', 1, 'li', 1),
+                        'index' => tpl_action('index', 1, 'li', 1),
+                    )
+                );
+            }
             ?>
         </ul>
     </div>
@@ -34,15 +39,20 @@
     <div class="nav-panel level1">
         <ul id="sidebar-user-tools">
             <?php /* dokuwiki user tools */
-            tpl_toolsevent(
-                'usertools',
-                array(
-                    'login' => tpl_action('login', 1, 'li', 1),
-                    'profile' => tpl_action('profile', 1, 'li', 1),
-                    'admin' => tpl_action('admin', 1, 'li', 1),
-                    'register' => tpl_action('register', 1, 'li', 1),
-                )
-            );
+            if (file_exists(DOKU_INC . 'inc/Menu/UserMenu.php')) {
+                echo (new \dokuwiki\Menu\UserMenu())->getListItems();
+            } else {
+                //Pre-Greebo Backwards compatibility
+                tpl_toolsevent(
+                    'usertools',
+                    array(
+                        'login' => tpl_action('login', 1, 'li', 1),
+                        'profile' => tpl_action('profile', 1, 'li', 1),
+                        'admin' => tpl_action('admin', 1, 'li', 1),
+                        'register' => tpl_action('register', 1, 'li', 1),
+                    )
+                );
+            }
             ?>
         </ul>
     </div>
diff --git a/tpl/nav-page-tools.php b/tpl/nav-page-tools.php
index c261be0..bf4e352 100755
--- a/tpl/nav-page-tools.php
+++ b/tpl/nav-page-tools.php
@@ -11,12 +11,16 @@ if (!defined('DOKU_INC')) {
         <?php include('nav-status.php'); ?>
         <ul>
             <?php
-            $data = dokuwiki\template\sprintdoc\tpl::assemblePageTools();
+            if (file_exists(DOKU_INC . '/inc/Menu/PageMenu.php')) {
+                echo (new \dokuwiki\Menu\PageMenu())->getListItems();
+            } else {
+                //Pre-Greebo Backwards compatibility
+                $data = dokuwiki\template\sprintdoc\tpl::assemblePageTools();
 
-            foreach ($data['items'] as $k => $html) {
-                echo $html;
+                foreach ($data['items'] as $k => $html) {
+                    echo $html;
+                }
             }
-
             ?>
         </ul>
     </div>
diff --git a/tpl/nav-usertools-buttons.php b/tpl/nav-usertools-buttons.php
index c321a85..f93cbb4 100755
--- a/tpl/nav-usertools-buttons.php
+++ b/tpl/nav-usertools-buttons.php
@@ -6,7 +6,19 @@
         <nav id="dokuwiki__usertools" class="nav-usertools <?php echo $navClass?>">
             <h6 class="sr-only" role="heading" aria-level="2"><?php echo $lang['user_tools']; ?></h6>
             <ul>
-                <li class="log"><?php tpl_actionlink('login'); ?></li>
+                <li class="log"><?php
+                    if (file_exists(DOKU_INC . 'inc/Menu/Item/Login.php')) {
+                        if (empty($_SERVER['REMOTE_USER'])) {
+                            echo (new \dokuwiki\Menu\Item\Login())->asHtmlLink();
+                        } else {
+                            echo (new \dokuwiki\Menu\Item\Login())->asHtmlButton();
+                        }
+                    } else {
+                    //Pre-Greebo Backwards compatibility
+                        tpl_actionlink('login');
+                    }
+                    ?>
+                </li>
 
                 <?php
                 if (!empty($_SERVER['REMOTE_USER'])) {
@@ -14,10 +26,28 @@
                 }?>
 
                 <?php /* dokuwiki user tools */
-                tpl_toolsevent('usertools', array(
-                    'admin'     => tpl_action('admin', 1, 'li', 1),
-                    'register'  => tpl_action('register', 1, 'li', 1),
-                )); ?>
+                if (file_exists(DOKU_INC . 'inc/Menu/Item/Admin.php')) {
+                    try{
+                        echo '<li class="admin">' . (new \dokuwiki\Menu\Item\Admin())->asHtmlLink() . '</li>';
+                    } catch(\RuntimeException $ignored) {
+                        // item not available
+                    }
+                    try{
+                        echo '<li class="register">' . (new \dokuwiki\Menu\Item\Register())->asHtmlLink() . '</li>';
+                    } catch(\RuntimeException $ignored) {
+                        // item not available
+                    }
+                } else {
+                    //Pre-Greebo Backwards compatibility
+                    tpl_toolsevent(
+                        'usertools',
+                        array(
+                            'admin' => tpl_action('admin', 1, 'li', 1),
+                            'register' => tpl_action('register', 1, 'li', 1),
+                        )
+                    );
+                }
+                ?>
 
                 <?php /* tasks do Plug-In */
                 /** @var \helper_plugin_do $doplugin */