diff --git a/runtime/BrowserWindow.cpp b/runtime/BrowserWindow.cpp
index 023a264..89d963c 100644
--- a/runtime/BrowserWindow.cpp
+++ b/runtime/BrowserWindow.cpp
@@ -2,7 +2,7 @@
 //
 // pgAdmin 4 - PostgreSQL Tools
 //
-// Copyright (C) 2013, The pgAdmin Development Team
+// Copyright (C) 2016, The pgAdmin Development Team
 // This software is released under the PostgreSQL Licence
 //
 // BrowserWindow.cpp - Implementation of the main window class
@@ -11,9 +11,6 @@
 
 #include "pgAdmin4.h"
 
-// QT headers
-#include <QtGlobal>
-
 #if QT_VERSION >= 0x050000
 #include <QtWidgets>
 #include <QtWebKitWidgets>
@@ -30,20 +27,54 @@
 // App headers
 #include "BrowserWindow.h"
 
-
 // Constructor
 BrowserWindow::BrowserWindow(QString url)
 {
+    m_tabGridLayout = NULL;
+    m_mainGridLayout = NULL;;
+    m_tabWidget = NULL;
+    m_pgAdminMainTab = NULL;
+    m_addNewTab = NULL;
+    m_addNewGridLayout = NULL;
+    m_addNewWebView = NULL;
+    m_horizontalLayout = NULL;
+    m_widget = NULL;
+    m_toolBtnBack = NULL;
+    m_toolBtnForward = NULL;
+
     m_appServerUrl = url;
 
     // Setup the UI
     createActions();
     createMenus();
 
-    // Create the WebKit control
-    webView = new QWebView(this);
-    setCentralWidget(webView);
-    connect(webView, SIGNAL(loadFinished(bool)), SLOT(finishLoading(bool)));
+    m_tabWidget = new TabWindow(this);
+    m_mainGridLayout = new QGridLayout(m_tabWidget);
+    m_mainGridLayout->setContentsMargins(0, 0, 0, 0);
+    m_pgAdminMainTab = new QWidget(m_tabWidget);
+    m_tabGridLayout = new QGridLayout(m_pgAdminMainTab);
+    m_tabGridLayout->setContentsMargins(0, 0, 0, 0);
+    m_mainWebView = new WebViewWindow(m_pgAdminMainTab);
+
+    m_tabGridLayout->addWidget(m_mainWebView, 0, 0, 1, 1);
+    m_tabWidget->addTab(m_pgAdminMainTab, QString());
+    m_tabWidget->setCurrentIndex(0);
+    m_tabWidget->setTabText(0, "pgAdmin4");
+    m_tabWidget->setTabToolTipText(0, QString("pgAdmin4"));
+
+#ifndef __APPLE__
+    m_tabWidget->setStyleSheet("QTabBar::tab{max-height:32px;max-width:250px;}");
+#endif
+
+    setCentralWidget(m_tabWidget);
+
+    connect(m_mainWebView, SIGNAL(loadFinished(bool)), SLOT(finishLoading(bool)));
+    //Register the slot when click on the URL link form main pgAmdin menu bar
+    connect(m_mainWebView,SIGNAL(linkClicked(const QUrl &)),SLOT(urlLinkClicked(const QUrl &)));
+    //Register the slot on tab index change
+    connect(m_tabWidget,SIGNAL(currentChanged(int )),this,SLOT(tabIndexChanged(int )));
+
+    m_mainWebView->page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
 
     // Restore the geometry
     QSettings settings;
@@ -53,10 +84,9 @@ BrowserWindow::BrowserWindow(QString url)
     // Display the app
     m_initialLoad = true;
     m_loadAttempt = 1;
-    webView->setUrl(m_appServerUrl);
+    m_mainWebView->setUrl(m_appServerUrl);
 }
 
-
 // Save the window geometry on close
 void BrowserWindow::closeEvent(QCloseEvent *event)
 {
@@ -125,16 +155,16 @@ void BrowserWindow::finishLoading(bool ok)
             if (m_loadAttempt > 1)
             {
                 qDebug() << "Initial connection failed. Retrying in" << m_loadAttempt << "seconds.";
-                webView->setHtml(QString(tr("<p>Failed to connect to the pgAdmin application server. Retrying in %1 seconds, ") +
+                m_mainWebView->setHtml(QString(tr("<p>Failed to connect to the pgAdmin application server. Retrying in %1 seconds, ") +
                                          tr("or click <a href=\"%2\">here</a> to try again now.</p>")).arg(m_loadAttempt).arg(m_appServerUrl));
             }
             else
             {
-               webView->setHtml(QString(tr("<p>Connecting to the application server...</p>")));
+               m_mainWebView->setHtml(QString(tr("<p>Connecting to the application server...</p>")));
             }
 
             pause(m_loadAttempt);
-            webView->setUrl(m_appServerUrl);
+            m_mainWebView->setUrl(m_appServerUrl);
             m_loadAttempt++;
 
             return;
@@ -142,7 +172,7 @@ void BrowserWindow::finishLoading(bool ok)
         else
         {
             qDebug() << "Initial connection failed after multiple attempts. Aborting.";
-            webView->setHtml(QString(tr("<p>Failed to connect to the pgAdmin application server. ") +
+            m_mainWebView->setHtml(QString(tr("<p>Failed to connect to the pgAdmin application server. ") +
                                      tr("Click <a href=\"%1\">here</a> to try again.</p>")).arg(m_appServerUrl));
         }
     }
@@ -150,6 +180,228 @@ void BrowserWindow::finishLoading(bool ok)
     m_initialLoad = false;
 }
 
+// Check if Tab is already open with given URL name
+int BrowserWindow::findURLTab(const QUrl &name)
+{
+    int tabCount = 0;
+    WebViewWindow *webviewPtr = NULL;
+
+    for (tabCount = 1;tabCount < m_tabWidget->count();tabCount++)
+    {
+        QWidget *tab = m_tabWidget->widget(tabCount);
+        if (tab != NULL)
+        {
+            QList<QWidget*> widgetList = tab->findChildren<QWidget*>();
+            foreach( QWidget* widgetPtr, widgetList )
+            {
+                if (widgetPtr != NULL)
+                {
+	            webviewPtr = dynamic_cast<WebViewWindow*>(widgetPtr);
+
+	            if (webviewPtr != NULL && !QString::compare(webviewPtr->getFirstLoadURL(),name.url(), Qt::CaseInsensitive))
+	            {
+		        m_tabWidget->setCurrentIndex(tabCount);
+		        return 1;
+                    }
+                }
+            }
+        }
+    }
+
+    return 0;
+}
+
+// Slot: When the tab index change, hide/show the toolbutton displayed on tab
+void BrowserWindow::tabIndexChanged(int index)
+{
+    int tabCount = 1;
+    for (tabCount = 1;tabCount < m_tabWidget->count();tabCount++)
+    {
+        if (tabCount != index)
+	    m_tabWidget->showHideToolButton(tabCount,0);
+        else
+	    m_tabWidget->showHideToolButton(tabCount,1);
+    }
+}
+
+// close the tab and remove the memory of the given index tab
+void BrowserWindow::closetabs()
+{
+    int loopCount = 0;
+    int index = 0;
+    QPushButton *btn = NULL;
+    int totalTabs = m_tabWidget->count();
+
+    QObject *senderPtr = QObject::sender();
+    if (senderPtr != NULL)
+    {
+        btn = dynamic_cast<QPushButton*>(senderPtr);
+        index = m_tabWidget->getButtonIndex(btn);
+    }
+
+    if (index != 0)
+    {
+        QWidget *tab = m_tabWidget->widget(index);
+        WebViewWindow *webviewPtr = NULL;
+        loopCount = 0;
+
+        // free the allocated memory when the tab is closed
+        if (tab != NULL)
+            delete tab;
+
+        // Adjust the tab index value if the tab is closed in between
+        for (loopCount = 1;loopCount < totalTabs;loopCount++)
+        {
+            if (index > loopCount)
+                continue;
+
+            QWidget *tab = m_tabWidget->widget(loopCount);
+            if (tab != NULL)
+            {
+                QList<QWidget*> widgetList = tab->findChildren<QWidget*>();
+                foreach( QWidget* widgetPtr, widgetList )
+                {
+                    if (widgetPtr != NULL)
+                    {
+                        webviewPtr = dynamic_cast<WebViewWindow*>(widgetPtr);
+                        if (webviewPtr != NULL)
+                            webviewPtr->setTabIndex((webviewPtr->getTabIndex() - 1));
+                    }
+                }
+            }
+        }
+    }
+}
+
+//Slot: go back to page and enable/disable toolbutton
+void BrowserWindow::goBackPage()
+{
+    WebViewWindow *webviewPtr = NULL;
+
+    QWidget *tab = m_tabWidget->widget(m_tabWidget->currentIndex());
+    if (tab != NULL)
+    {
+        QList<QWidget*> widgetList = tab->findChildren<QWidget*>();
+        foreach( QWidget* widgetPtr, widgetList )
+        {
+            if (widgetPtr != NULL)
+            {
+                webviewPtr = dynamic_cast<WebViewWindow*>(widgetPtr);
+                if (webviewPtr != NULL)
+                {
+                    webviewPtr->back();
+                    m_tabWidget->enableDisableToolButton(m_tabWidget->currentIndex());
+                }
+            }
+        }
+    }
+}
+
+//Slot: go forward to page and enable/disable toolbutton
+void BrowserWindow::goForwardPage()
+{
+    WebViewWindow *webviewPtr = NULL;
+
+    QWidget *tab = m_tabWidget->widget(m_tabWidget->currentIndex());
+    if (tab != NULL)
+    {
+        QList<QWidget*> widgetList = tab->findChildren<QWidget*>();
+        foreach( QWidget* widgetPtr, widgetList )
+        {
+            if (widgetPtr != NULL)
+            {
+                webviewPtr = dynamic_cast<WebViewWindow*>(widgetPtr);
+                if (webviewPtr != NULL)
+                {
+                    webviewPtr->forward();
+                    m_tabWidget->enableDisableToolButton(m_tabWidget->currentIndex());
+                }
+            }
+        }
+    }
+}
+
+// Slot: set the title of tab when the new tab created or existing tab contents changed
+void BrowserWindow::tabTitleChanged(const QString &str)
+{
+    if (!str.isEmpty())
+    {
+        QObject *senderPtr = QObject::sender();
+        WebViewWindow *webViewPtr = NULL;
+        if (senderPtr != NULL)
+        {
+            webViewPtr = dynamic_cast<WebViewWindow*>(senderPtr);
+            if (webViewPtr != NULL)
+            {
+                m_tabWidget->setTabText(webViewPtr->getTabIndex(), str);
+                m_tabWidget->setTabToolTipText(webViewPtr->getTabIndex(), str);
+                m_tabWidget->enableDisableToolButton(webViewPtr->getTabIndex());
+            }
+        }
+        else
+        {
+            m_tabWidget->setTabText(m_tabWidget->currentIndex(), str);
+            m_tabWidget->setTabToolTipText(m_tabWidget->currentIndex(), str);
+        }
+    }
+}
+
+// Slot: Link is open from pgAdmin mainwindow
+void BrowserWindow::urlLinkClicked(const QUrl &name)
+{
+    // First check is there any tab opened with same URL then open it again.
+    int tabFound = findURLTab(name);
+
+    if (!tabFound)
+    {
+        m_addNewTab = new QWidget(m_tabWidget);
+        m_addNewGridLayout = new QGridLayout(m_addNewTab);
+        m_addNewGridLayout->setContentsMargins(0, 0, 0, 0);
+        m_addNewWebView = new WebViewWindow(m_addNewTab);
+
+        m_widget = new QWidget(m_addNewTab);
+        m_toolBtnBack = new QToolButton(m_widget);
+        m_toolBtnBack->setFixedHeight(20);
+        m_toolBtnBack->setFixedWidth(20);
+        m_toolBtnBack->setText("<");
+        m_toolBtnForward = new QToolButton(m_widget);
+        m_toolBtnForward->setFixedHeight(20);
+        m_toolBtnForward->setFixedWidth(20);
+        m_toolBtnForward->setText(">");
+        m_toolBtnBack->setDisabled(true);
+        m_toolBtnForward->setDisabled(true);
+
+        QPushButton *m_pushBtn = new QPushButton(m_widget);
+        m_pushBtn->setText(QString("x"));
+        m_pushBtn->setFixedHeight(20);
+        m_pushBtn->setFixedWidth(20);
+
+        m_horizontalLayout = new QHBoxLayout(m_widget);
+        m_horizontalLayout->setSizeConstraint(QLayout::SetMinAndMaxSize);
+        m_horizontalLayout->addWidget(m_toolBtnBack);
+        m_horizontalLayout->addWidget(m_toolBtnForward);
+
+        //Register the slot on titleChange so set the tab text accordingly
+        connect(m_addNewWebView,SIGNAL(titleChanged(const QString &)),SLOT(tabTitleChanged(const QString &)));
+        //Register the slot on toolbutton to show the previous history of web
+        connect(m_toolBtnBack,SIGNAL(clicked()),this,SLOT(goBackPage()));
+        //Register the slot on toolbutton to show the next history of web
+        connect(m_toolBtnForward,SIGNAL(clicked()),this,SLOT(goForwardPage()));
+        //Register the slot on close button , added manually
+        connect(m_pushBtn,SIGNAL(clicked()),SLOT(closetabs()));
+
+        m_addNewGridLayout->addWidget(m_addNewWebView, 0, 0, 1, 1);
+        m_tabWidget->addTab(m_addNewTab, QString());
+        m_tabWidget->setCurrentIndex((m_tabWidget->count() - 1));
+        // Set the back and forward button on tab
+        m_tabWidget->tabBar()->setTabButton((m_tabWidget->count() - 1), QTabBar::LeftSide, m_widget);
+        m_tabWidget->tabBar()->setTabButton((m_tabWidget->count() - 1), QTabBar::RightSide, m_pushBtn);
+
+        m_addNewWebView->setFirstLoadURL(name.url());
+        m_addNewWebView->setTabIndex((m_tabWidget->count() - 1));
+        m_addNewWebView->setUrl(name);
+    }
+}
 
 // Pause for n seconds, without freezing the UI.
 void BrowserWindow::pause(int seconds)
@@ -160,14 +412,12 @@ void BrowserWindow::pause(int seconds)
         QCoreApplication::processEvents(QEventLoop::AllEvents, 100);    
 }
 
-
 // Display the about box
 void BrowserWindow::about()
 {
     QMessageBox::about(this, tr("About pgAdmin 4"), tr("pgAdmin 4 - PostgreSQL Tools"));
 }
 
-
 // Open an arbitrary URL
 void BrowserWindow::openUrl()
 {
@@ -175,7 +425,7 @@ void BrowserWindow::openUrl()
     QString url = QInputDialog::getText(this, tr("Open URL"), tr("Enter a URL"), QLineEdit::Normal, "http://", &ok);
 
     if (ok && !url.isEmpty())
-        webView->setUrl(url);
+        m_mainWebView->setUrl(url);
 }
 
 // Open an arbitrary URL
diff --git a/runtime/BrowserWindow.h b/runtime/BrowserWindow.h
index e580d8b..fc45173 100644
--- a/runtime/BrowserWindow.h
+++ b/runtime/BrowserWindow.h
@@ -2,7 +2,7 @@
 //
 // pgAdmin 4 - PostgreSQL Tools
 //
-// Copyright (C) 2013, The pgAdmin Development Team
+// Copyright (C) 2016, The pgAdmin Development Team
 // This software is released under the PostgreSQL Licence
 //
 // BrowserWindow.h - Declaration of the main window class
@@ -13,8 +13,8 @@
 #define BROWSERWINDOW_H
 
 #include "pgAdmin4.h"
-
-#include <QtGlobal>
+#include "TabWindow.h"
+#include "WebViewWindow.h"
 
 #if QT_VERSION >= 0x050000
 #include <QtWidgets>
@@ -41,15 +41,23 @@ protected:
 
 protected slots:
     void finishLoading(bool);
+    void urlLinkClicked(const QUrl &);
+    void closetabs();
+    void tabTitleChanged(const QString &);
 
 private slots:
     void openUrl();
     void pythonPath();
     void about();
 
+public slots:
+    void tabIndexChanged(int index);
+    void goBackPage();
+    void goForwardPage();
+
 private:
     QString m_appServerUrl;
-    QWebView *webView;
+    WebViewWindow *m_mainWebView;
     QMenu *fileMenu;
     QMenu *helpMenu;
     QAction *openUrlAction;
@@ -57,12 +65,26 @@ private:
     QAction *exitAction;
     QAction *aboutAction;
 
+    QGridLayout  *m_tabGridLayout;
+    QGridLayout  *m_mainGridLayout;
+    TabWindow    *m_tabWidget;
+    QWidget      *m_pgAdminMainTab;
+
+    QWidget           *m_addNewTab;
+    QGridLayout       *m_addNewGridLayout;
+    WebViewWindow     *m_addNewWebView;
+    QHBoxLayout       *m_horizontalLayout;
+    QWidget           *m_widget;
+    QToolButton       *m_toolBtnBack;
+    QToolButton       *m_toolBtnForward;
+
     bool m_initialLoad;
     int m_loadAttempt;
 
     void createActions();
     void createMenus();
     void pause(int seconds = 1);
+    int  findURLTab(const QUrl &name);
 };
 
 #endif // BROWSERWINDOW_H
diff --git a/runtime/Server.cpp b/runtime/Server.cpp
index b47ece3..42b636d 100644
--- a/runtime/Server.cpp
+++ b/runtime/Server.cpp
@@ -2,7 +2,7 @@
 //
 // pgAdmin 4 - PostgreSQL Tools
 //
-// Copyright (C) 2013, The pgAdmin Development Team
+// Copyright (C) 2016, The pgAdmin Development Team
 // This software is released under the PostgreSQL Licence
 //
 // Server.cpp - Thread in which the web server will run.
@@ -26,9 +26,21 @@ Server::Server(quint16 port)
 {    
     // Appserver port
     m_port = port;
+    m_wcAppName = NULL;
 
     // Initialise Python
+    // As Python3 require to convert char  * to wchar_t * type so below condition is required for
+    // Python2 and Python3
+#ifdef PYTHON2
     Py_SetProgramName(PGA_APP_NAME.toUtf8().data());
+#else
+    char *appName = PGA_APP_NAME.toUtf8().data();
+    const size_t cSize = strlen(appName)+1;
+    m_wcAppName = new wchar_t[cSize];
+    mbstowcs (m_wcAppName, appName, cSize);
+    Py_SetProgramName(m_wcAppName);
+#endif
+
     Py_Initialize();
 
     // Setup the search path
@@ -45,12 +57,21 @@ Server::Server(quint16 port)
 
         // Add new additional path elements
         for (int i = 0; i < path_list.size(); ++i)
+        {
+            #ifdef PYTHON2
             PyList_Append(sysPath, PyString_FromString(path_list.at(i).toUtf8().data()));
+            #else
+            PyList_Append(sysPath, PyBytes_FromString(path_list.at(i).toUtf8().data()));
+            #endif
+        }
     }
 }
 
 Server::~Server()
 {
+    if (m_wcAppName)
+        delete m_wcAppName;
+
     // Shutdown Python
     Py_Finalize();
 }
diff --git a/runtime/Server.h b/runtime/Server.h
index 73c06b7..1cc2fcb 100644
--- a/runtime/Server.h
+++ b/runtime/Server.h
@@ -2,7 +2,7 @@
 //
 // pgAdmin 4 - PostgreSQL Tools
 //
-// Copyright (C) 2013, The pgAdmin Development Team
+// Copyright (C) 2016, The pgAdmin Development Team
 // This software is released under the PostgreSQL Licence
 //
 // Server.h - Thread in which the web server will run.
@@ -38,7 +38,8 @@ private:
     QString m_appfile;
     QString m_error;
 
-    quint16 m_port;
+    quint16  m_port;
+    wchar_t *m_wcAppName;
 };
 
 #endif // SERVER_H
diff --git a/runtime/TabWindow.cpp b/runtime/TabWindow.cpp
new file mode 100644
index 0000000..de9670c
--- /dev/null
+++ b/runtime/TabWindow.cpp
@@ -0,0 +1,134 @@
+//////////////////////////////////////////////////////////////////////////
+//
+// pgAdmin 4 - PostgreSQL Tools
+//
+// Copyright (C) 2016, The pgAdmin Development Team
+// This software is released under the PostgreSQL Licence
+//
+// TabWindow.cpp - Implementation of the custom tab widget
+//
+//////////////////////////////////////////////////////////////////////////
+
+#include "pgAdmin4.h"
+
+// App headers
+#include "TabWindow.h"
+
+
+TabWindow::TabWindow(QWidget *parent) :
+    QTabWidget(parent)
+{
+    setParent(parent);
+    setTabsClosable(false);
+    setElideMode(Qt::ElideRight);
+#ifdef __APPLE__
+    m_testTabBar = new TabBar();
+    setTabBar(m_testTabBar);
+#endif
+
+}
+
+// hide the close button of given index displayed on right side of tab
+void TabWindow::enableDisableToolButton(const int &index)
+{
+    QToolButton *toolBtnPtr = NULL;
+    WebViewWindow *webviewPtr = NULL;
+
+    // Code to enable/disable the toolbutton based on the history
+    QWidget *tab1 = this->widget(index);
+    if (tab1 != NULL)
+    {
+        QList<QWidget*> widgetList = tab1->findChildren<QWidget*>();
+        foreach( QWidget* widgetPtr, widgetList )
+        {
+            if (widgetPtr != NULL)
+                webviewPtr = dynamic_cast<WebViewWindow*>(widgetPtr);
+        }
+    }
+
+    QWidget *tab = tabBar()->tabButton(index, QTabBar::LeftSide);
+    if (tab != NULL)
+    {
+        QList<QWidget*> widgetList = tab->findChildren<QWidget*>();
+        foreach( QWidget* widgetPtr, widgetList )
+        {
+            if (widgetPtr != NULL)
+            {
+                toolBtnPtr = dynamic_cast<QToolButton*>(widgetPtr);
+                if (webviewPtr != NULL && toolBtnPtr != NULL)
+                {
+		    if (!QString::compare(toolBtnPtr->text(),QString("<"), Qt::CaseInsensitive))
+                    {
+			if (webviewPtr->page()->history()->canGoBack())
+			    toolBtnPtr->setDisabled(false);
+		        else
+			    toolBtnPtr->setDisabled(true);
+                    }
+
+		    if (!QString::compare(toolBtnPtr->text(),QString(">"), Qt::CaseInsensitive))
+                    {
+			if (webviewPtr->page()->history()->canGoForward())
+			    toolBtnPtr->setDisabled(false);
+		        else
+			    toolBtnPtr->setDisabled(true);
+		    }
+		}
+            }
+        }
+    }
+}
+
+// get the index of the pushbutton which is requested by user to close the tab
+int TabWindow::getButtonIndex(QPushButton *btn)
+{
+    QPushButton *nextBtnPtr = NULL;
+    int loopCount = 0;
+    int totalTabs = this->count();
+
+    for (loopCount = 1;loopCount < totalTabs;loopCount++)
+    {
+        QWidget *tab = tabBar()->tabButton(loopCount, QTabBar::RightSide);
+        if (tab != NULL)
+        {
+            nextBtnPtr = dynamic_cast<QPushButton*>(tab);
+            if (nextBtnPtr != NULL && btn != NULL && nextBtnPtr == btn)
+                return loopCount;
+        }
+    }
+
+    return 0;
+}
+
+// Show and Hide the toolbutton once the tab is deselected depending on the option
+// option 0: Hide the toolButton
+// option 1: Show the toolButton
+void TabWindow::showHideToolButton(const int &index, const int &option)
+{
+    QToolButton *toolBtnPtr = NULL;
+
+    QWidget *tab = tabBar()->tabButton(index, QTabBar::LeftSide);
+    if (tab != NULL)
+    {
+        QList<QWidget*> widgetList = tab->findChildren<QWidget*>();
+        foreach( QWidget* widgetPtr, widgetList )
+        {
+            if (widgetPtr != NULL)
+            {
+                toolBtnPtr = dynamic_cast<QToolButton*>(widgetPtr);
+                if (toolBtnPtr != NULL)
+		{
+		    if (!option)
+                        toolBtnPtr->hide();
+		    else
+                        toolBtnPtr->show();
+		}
+            }
+        }
+    }
+}
+
+// Set the tab tool tip text
+void TabWindow::setTabToolTipText(const int &index, const QString &toolTipString)
+{
+    tabBar()->setTabToolTip(index, toolTipString);
+}
diff --git a/runtime/TabWindow.h b/runtime/TabWindow.h
new file mode 100644
index 0000000..67e59ad
--- /dev/null
+++ b/runtime/TabWindow.h
@@ -0,0 +1,52 @@
+//////////////////////////////////////////////////////////////////////////
+//
+// pgAdmin 4 - PostgreSQL Tools
+//
+// Copyright (C) 2016, The pgAdmin Development Team
+// This software is released under the PostgreSQL Licence
+//
+// TabWindow.h - Declaration of the custom tab widget
+//
+//////////////////////////////////////////////////////////////////////////
+
+#ifndef TABWINDOW_H
+#define TABWINDOW_H
+
+#include "pgAdmin4.h"
+#include "WebViewWindow.h"
+
+class TabBar : public QTabBar
+{
+    Q_OBJECT
+public:
+    TabBar(QWidget* parent=0) : QTabBar(parent)
+    {
+    }
+
+protected:
+    QSize tabSizeHint(int) const
+    {
+        return QSize(250, 32);
+    }
+};
+
+class TabWindow : public QTabWidget
+{
+    Q_OBJECT
+public:
+    TabWindow(QWidget *parent = 0);
+
+    int getButtonIndex(QPushButton *btn);
+    void showHideToolButton(const int &index,const int &option);
+    void enableDisableToolButton(const int &index);
+    void setTabToolTipText(const int &index, const QString &toolTipString);
+    QTabBar *tabBar() const
+    {
+        return QTabWidget::tabBar();
+    }
+
+private:
+    TabBar *m_testTabBar;
+};
+
+#endif // TABWINDOW_H
diff --git a/runtime/WebViewWindow.cpp b/runtime/WebViewWindow.cpp
new file mode 100644
index 0000000..0e6e738
--- /dev/null
+++ b/runtime/WebViewWindow.cpp
@@ -0,0 +1,42 @@
+//////////////////////////////////////////////////////////////////////////
+//
+// pgAdmin 4 - PostgreSQL Tools
+//
+// Copyright (C) 2016, The pgAdmin Development Team
+// This software is released under the PostgreSQL Licence
+//
+// WebViewWindow.cpp - Implementation of the custom web view widget
+//
+//////////////////////////////////////////////////////////////////////////
+
+#include "pgAdmin4.h"
+
+// App headers
+#include "WebViewWindow.h"
+
+WebViewWindow::WebViewWindow(QWidget *parent) :
+    QWebView(parent)
+{
+    m_url = QString("");
+    m_tabIndex = 0;
+}
+
+void WebViewWindow::setFirstLoadURL(const QString &url)
+{
+    m_url = url;
+}
+
+QString WebViewWindow::getFirstLoadURL() const
+{
+    return m_url;
+}
+
+void WebViewWindow::setTabIndex(const int &tabIndex)
+{
+    m_tabIndex = tabIndex;
+}
+
+int WebViewWindow::getTabIndex() const
+{
+    return m_tabIndex;
+}
diff --git a/runtime/WebViewWindow.h b/runtime/WebViewWindow.h
new file mode 100644
index 0000000..b988e48
--- /dev/null
+++ b/runtime/WebViewWindow.h
@@ -0,0 +1,35 @@
+//////////////////////////////////////////////////////////////////////////
+//
+// pgAdmin 4 - PostgreSQL Tools
+//
+// Copyright (C) 2016, The pgAdmin Development Team
+// This software is released under the PostgreSQL Licence
+//
+// WebViewWindow.h - Declaration of the custom web view widget
+//
+//////////////////////////////////////////////////////////////////////////
+
+#ifndef WEBVIEWWINDOW_H
+#define WEBVIEWWINDOW_H
+
+#include "pgAdmin4.h"
+
+#include <QtWebKitWidgets>
+
+class WebViewWindow : public QWebView
+{
+    Q_OBJECT
+public:
+   WebViewWindow(QWidget *parent = NULL);
+   void setFirstLoadURL(const QString &url);
+   QString getFirstLoadURL() const;
+   void setTabIndex(const int &tabIndex);
+   int getTabIndex() const;
+
+private:
+    QString m_url;
+    int m_tabIndex;
+
+};
+
+#endif //WEBVIEWWINDOW_H
diff --git a/runtime/pgAdmin4.cpp b/runtime/pgAdmin4.cpp
index 6546eb2..1dbfb73 100644
--- a/runtime/pgAdmin4.cpp
+++ b/runtime/pgAdmin4.cpp
@@ -2,7 +2,7 @@
 //
 // pgAdmin 4 - PostgreSQL Tools
 //
-// Copyright (C) 2013, The pgAdmin Development Team
+// Copyright (C) 2016, The pgAdmin Development Team
 // This software is released under the PostgreSQL Licence
 //
 // pgAdmin4.cpp - Main application entry point
@@ -14,14 +14,14 @@
 // Must be before QT
 #include <Python.h>
 
-// QT headers
-#include <QtGlobal>
-
 #if QT_VERSION >= 0x050000
 #include <QtWidgets>
 #else
 #include <QApplication>
 #include <QDebug>
+#include <QtNetwork>
+#include <QLineEdit>
+#include <QInputDialog>
 #endif
 
 // App headers
@@ -38,11 +38,18 @@ int main(int argc, char * argv[])
     QCoreApplication::setOrganizationDomain("pgadmin.org");
     QCoreApplication::setApplicationName(PGA_APP_NAME);
 
+    quint16 port = 0L;
+
     // Find an unused port number. Essentially, we're just reserving one
     // here that Flask will use when we start up the server.
-    QTcpSocket socket;
-    socket.bind(0, QAbstractSocket::DontShareAddress);
-    quint16 port = socket.localPort();
+    // In order to use the socket, we need to free this socket ASAP.
+    // Hence - putting this code in a code block, so that - the scope of socket
+    // variable goes out of scope to make that socket available.
+    {
+        QTcpSocket socket;
+        socket.bind(0, QAbstractSocket::DontShareAddress);
+        port = socket.localPort();
+    }
 
     // Fire up the webserver
     Server *server = new Server(port);
diff --git a/runtime/pgAdmin4.h b/runtime/pgAdmin4.h
index a6b251f..0f7dd24 100644
--- a/runtime/pgAdmin4.h
+++ b/runtime/pgAdmin4.h
@@ -2,7 +2,7 @@
 //
 // pgAdmin 4 - PostgreSQL Tools
 //
-// Copyright (C) 2013, The pgAdmin Development Team
+// Copyright (C) 2016, The pgAdmin Development Team
 // This software is released under the PostgreSQL Licence
 //
 // pgAdmin4.h - Main application header
@@ -23,6 +23,7 @@
 #include <QtWidgets>
 #else
 #include <QApplication>
+#include <Qt/qurl.h>
 #endif
 
 // Application name
diff --git a/runtime/pgAdmin4.pro b/runtime/pgAdmin4.pro
index c9dd8c2..d75b92e 100644
--- a/runtime/pgAdmin4.pro
+++ b/runtime/pgAdmin4.pro
@@ -7,20 +7,32 @@ greaterThan(QT_MAJOR_VERSION, 4) {
     QT += webkit network 
 }
 
+PYTHON_CONFIG=python3-config
+
 # Find and configure Python
-!system(which python-config > /dev/null 2>&1) {
-    error(The python-config executable could not be found. Ensure Python is installed and in the system path.)
+!system(which python3-config > /dev/null 2>&1) {
+    !system(which python-config > /dev/null 2>&1) {
+        error(The python-config executable could not be found. Ensure Python is installed and in the system path.)
+    } else {
+	PYTHON_CONFIG=python-config
+	DEFINES += PYTHON2
+    }
 }
-QMAKE_CXXFLAGS += $$system(python-config --includes)
-QMAKE_LFLAGS += $$system(python-config --ldflags)
+
+QMAKE_CXXFLAGS += $$system($$PYTHON_CONFIG --includes)
+QMAKE_LFLAGS += $$system($$PYTHON_CONFIG --ldflags)
 
 # Source code
 HEADERS     =   BrowserWindow.h \
                 Server.h \
-                pgAdmin4.h
+                pgAdmin4.h \
+                TabWindow.h \
+                WebViewWindow.h
 SOURCES     =   pgAdmin4.cpp \
                 BrowserWindow.cpp \
-                Server.cpp
+                Server.cpp \
+                TabWindow.cpp \
+                WebViewWindow.cpp
 FORMS       =   BrowserWindow.ui
 ICON        =   pgAdmin4.icns
 QMAKE_INFO_PLIST = Info.plist