diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4d2058e..26d7992 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,11 +39,12 @@ FILE( GLOB RESOURCES_FILES ${RSC_DIR}/*.qrc )
 ######################################################################################
 # Variables
 ######################################################################################
-ADD_OPTION(CMAKE_BUILD_TYPE  "Build type"               Debug )
+ADD_OPTION(CMAKE_BUILD_TYPE  "Build type"               "Release" )
 ADD_OPTION(USE_QT4           "Build with QT4"           OFF )
 ADD_OPTION(USE_OPENCV        "Add OpenCV support"       OFF )
 ADD_OPTION(USE_FFMPEG        "Add FFMPEG support"       OFF )
 
+SET(CMAKE_BUILD_TYPE Release)
 
 ######################################################################################
 # Dependencies
diff --git a/source/ModulesHandle.cpp b/source/ModulesHandle.cpp
index 9b6b1a1..c743fae 100644
--- a/source/ModulesHandle.cpp
+++ b/source/ModulesHandle.cpp
@@ -73,7 +73,8 @@ QMenu* ModulesHandle::createMenus( QMenuBar *MainAppMenuBar )
 {
   PlaYUVerModuleIf* currModuleIf;
   QAction* currAction;
-  Bool bCategoryExists = false;
+  QMenu* currSubMenu;
+  Bool bCategoryExists;
   Int iNumberCategories = 0;
 
   m_pcActionMapper = new QSignalMapper( this );
@@ -83,10 +84,30 @@ QMenu* ModulesHandle::createMenus( QMenuBar *MainAppMenuBar )
 
   //m_arrayModulesActions.resize( m_uiModulesCount );
 
+
+
   for( Int i = 0; i < m_pcPlaYUVerModules.size(); i++ )
   {
     currModuleIf = m_pcPlaYUVerModules.at( i );
 
+    currSubMenu = NULL;
+    if( currModuleIf->m_cModuleDef.m_pchModuleCategory )
+    {
+      for( Int j = 0; j < m_pcModulesSubMenuList.size(); j++ )
+      {
+        if( m_pcModulesSubMenuList.at( j )->title() == QString( currModuleIf->m_cModuleDef.m_pchModuleCategory ) )
+        {
+          currSubMenu = m_pcModulesSubMenuList.at( j );
+          break;
+        }
+      }
+      if( !currSubMenu )
+      {
+        currSubMenu = m_pcModulesMenu->addMenu( currModuleIf->m_cModuleDef.m_pchModuleCategory );
+        m_pcModulesSubMenuList.append( currSubMenu );
+      }
+    }
+
     currAction = new QAction( tr( currModuleIf->m_cModuleDef.m_pchModuleName ), parent() );
     currAction->setStatusTip( tr( currModuleIf->m_cModuleDef.m_pchModuleTooltip ) );
     currAction->setCheckable( true );
@@ -94,7 +115,10 @@ QMenu* ModulesHandle::createMenus( QMenuBar *MainAppMenuBar )
     m_pcActionMapper->setMapping( currAction, i );
     m_arrayModulesActions.append( currAction );
 
-    m_pcModulesMenu->addAction( currAction );
+    if( currSubMenu )
+      currSubMenu->addAction( currAction );
+    else
+      m_pcModulesMenu->addAction( currAction );
 
     currModuleIf->m_pcAction = currAction;
   }
diff --git a/source/ModulesHandle.h b/source/ModulesHandle.h
index 7f11044..4b32fb7 100644
--- a/source/ModulesHandle.h
+++ b/source/ModulesHandle.h
@@ -66,6 +66,7 @@ private:
   UInt m_uiModulesCount;
   Int m_uiModuleSelected;
   QMenu* m_pcModulesMenu;
+  QList<QMenu*> m_pcModulesSubMenuList;
   QList<PlaYUVerModuleIf*> m_pcPlaYUVerModules;
   QSignalMapper* m_pcActionMapper;
   QVector<QAction*> m_arrayModulesActions;
diff --git a/source/modules/FilterFrame.cpp b/source/modules/FilterFrame.cpp
index e3842d0..7476a6d 100644
--- a/source/modules/FilterFrame.cpp
+++ b/source/modules/FilterFrame.cpp
@@ -31,7 +31,7 @@ namespace plaYUVer
 
 PlaYUVerModuleDefinition FilterFrameDef = {
     FRAME_LEVEL_MODULE,
-    "Filters"
+    "Filters",
     "Y_Filter",
     "Filter Y matrix of YUV frame",
 };