diff --git a/libs/main/application/piapplicationmodule.h b/libs/main/application/piapplicationmodule.h
new file mode 100644
index 00000000..57d67c81
--- /dev/null
+++ b/libs/main/application/piapplicationmodule.h
@@ -0,0 +1,58 @@
+/*
+    PIP - Platform Independent Primitives
+    Module includes
+    Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+//! \defgroup Application Application
+//! \~\brief
+//! \~english Application-level classes.
+//! \~russian Классы уровня "приложение".
+//!
+//! \~\details
+//! \~english \section cmake_module_Application Building with CMake
+//! \~russian \section cmake_module_Application Сборка с использованием CMake
+//!
+//! \~\code
+//! find_package(PIP REQUIRED)
+//! target_link_libraries([target] PIP)
+//! \endcode
+//!
+//! \~english \par Common
+//! \~russian \par Общее
+//!
+//! \~english
+//! These files provides some classes for help to create application
+//!
+//! \~russian
+//! Эти файлы предоставляют классы для облегчения создания приложения
+//!
+//! \~\authors
+//! \~english
+//! Ivan Pelipenko peri4ko@yandex.ru;
+//! Andrey Bychkov work.a.b@yandex.ru;
+//! \~russian
+//! Иван Пелипенко peri4ko@yandex.ru;
+//! Андрей Бычков work.a.b@yandex.ru;
+//!
+
+#ifndef PIAPPLICATIONMODULE_H
+#define PIAPPLICATIONMODULE_H
+
+#include "picli.h"
+#include "pisingleapplication.h"
+#include "pisystemmonitor.h"
+
+#endif
diff --git a/libs/main/core/picoremodule.h b/libs/main/core/picoremodule.h
index 46c1c7d5..9b126da5 100644
--- a/libs/main/core/picoremodule.h
+++ b/libs/main/core/picoremodule.h
@@ -52,7 +52,6 @@
 #define PICOREMODULE_H
 
 #include "pichunkstream.h"
-#include "picli.h"
 #include "picollection.h"
 #include "pijson.h"
 #include "piobject.h"
diff --git a/libs/main/system/pisystemmodule.h b/libs/main/system/pisystemmodule.h
index 5a9290fc..7b4ff139 100644
--- a/libs/main/system/pisystemmodule.h
+++ b/libs/main/system/pisystemmodule.h
@@ -54,10 +54,10 @@
 #define PISYSTEMMODULE_H
 
 #include "pilibrary.h"
+#include "piplugin.h"
+#include "piprocess.h"
 #include "pisignals.h"
-#include "pisingleapplication.h"
 #include "pisysteminfo.h"
-#include "pisystemmonitor.h"
 #include "pisystemtests.h"
 
 #endif // PISYSTEMMODULE_H