diff --git a/QuasaraApp.pro b/QuasarApp.pro
similarity index 92%
rename from QuasaraApp.pro
rename to QuasarApp.pro
index 4a53b0f..8e0d9dd 100644
--- a/QuasaraApp.pro
+++ b/QuasarApp.pro
@@ -6,7 +6,7 @@
 
 QT       -= gui
 
-TARGET = QuasaraApp
+TARGET = QuasarApp
 TEMPLATE = lib
 
 DEFINES += QUASARAAPP_LIBRARY
@@ -30,11 +30,11 @@ CONFIG(debug, debug|release): {
 }
 
 SOURCES += \
-        quasaraapp.cpp
+        quasarapp.cpp
 
 HEADERS += \
-        quasaraapp.h \
-        quasaraapp_global.h 
+        quasarapp.h \
+        quasarapp_global.h 
 
 unix {
     target.path = /usr/lib
diff --git a/QuasarLib.pri b/QuasarLib.pri
index bbdd17f..2f8eb9c 100644
--- a/QuasarLib.pri
+++ b/QuasarLib.pri
@@ -15,6 +15,6 @@ CONFIG(debug, debug|release): {
     OUTPUT_DIR_QUASARAPP = "$$PWD/build/release/bin"
 }
 
-LIBS += -L"$$OUTPUT_DIR_QUASARAPP/" -lQuasaraApp
+LIBS += -L"$$OUTPUT_DIR_QUASARAPP/" -lQuasarApp
 
 INCLUDEPATH += "$$PWD/"
diff --git a/quasaraapp.cpp b/quasarapp.cpp
similarity index 85%
rename from quasaraapp.cpp
rename to quasarapp.cpp
index 07b3778..5d24337 100644
--- a/quasaraapp.cpp
+++ b/quasarapp.cpp
@@ -5,7 +5,7 @@
  * of this license document, but changing it is not allowed.
 */
 
-#include "quasaraapp.h"
+#include "quasarapp.h"
 #include <QVariantMap>
 #include <QDebug>
 #include <QCoreApplication>
@@ -13,7 +13,7 @@
 
 static QVariantMap params = QVariantMap();
 
-bool QuasaraAppUtils::parseParams(int argc, char *argv[]) {
+bool QuasarAppUtils::parseParams(int argc, char *argv[]) {
     params.clear();
     params ["appPath"] =  argv[0];
 
@@ -33,15 +33,15 @@ bool QuasaraAppUtils::parseParams(int argc, char *argv[]) {
     return true;
 }
 
-QString QuasaraAppUtils::getStr(const QString& key) {
+QString QuasarAppUtils::getStrArg(const QString& key) {
     return  params.value(key, "").toString();
 }
 
-QVariant QuasaraAppUtils::get(const QString& key) {
+QVariant QuasarAppUtils::getArg(const QString& key) {
     return  params.value(key, "");
 }
 
-bool QuasaraAppUtils::isEndable(const QString& key) {
+bool QuasarAppUtils::isEndable(const QString& key) {
     return  params.contains(key);
 }
 
diff --git a/quasaraapp.h b/quasarapp.h
similarity index 94%
rename from quasaraapp.h
rename to quasarapp.h
index 9f8a59e..4430d24 100644
--- a/quasaraapp.h
+++ b/quasarapp.h
@@ -8,7 +8,7 @@
 #ifndef QUASARAAPP_H
 #define QUASARAAPP_H
 
-#include "quasaraapp_global.h"
+#include "quasarapp_global.h"
 #include <QVariant>
 
 
@@ -20,11 +20,11 @@ class QTranslator;
  * this lib include base functions for the all applications of QuasarApp group.
  * all methods of the Quasar AppUtils is static
  */
-class QUASARAAPPSHARED_EXPORT QuasaraAppUtils
+class QUASARAPPSHARED_EXPORT QuasarAppUtils
 {
 
 public:
-    QuasaraAppUtils() = delete;
+    QuasarAppUtils() = delete;
 
     /**
      * @brief parseParams - parase input data of started application
diff --git a/quasaraapp_global.h b/quasarapp_global.h
similarity index 62%
rename from quasaraapp_global.h
rename to quasarapp_global.h
index 23eb4c7..23a2492 100644
--- a/quasaraapp_global.h
+++ b/quasarapp_global.h
@@ -4,9 +4,9 @@
 #include <QtCore/qglobal.h>
 
 #if defined(QUASARAAPP_LIBRARY)
-#  define QUASARAAPPSHARED_EXPORT Q_DECL_EXPORT
+#  define QUASARAPPSHARED_EXPORT Q_DECL_EXPORT
 #else
-#  define QUASARAAPPSHARED_EXPORT Q_DECL_IMPORT
+#  define QUASARAPPSHARED_EXPORT Q_DECL_IMPORT
 #endif
 
 #endif // QUASARAAPP_GLOBAL_H