diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000..4b98ab893
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+zeal-build-Desktop-Debug/
+zeal/zeal.pro.user
diff --git a/zeal/main.cpp b/zeal/main.cpp
new file mode 100644
index 000000000..9e2d83c83
--- /dev/null
+++ b/zeal/main.cpp
@@ -0,0 +1,11 @@
+#include "mainwindow.h"
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    MainWindow w;
+    w.show();
+    
+    return a.exec();
+}
diff --git a/zeal/mainwindow.cpp b/zeal/mainwindow.cpp
new file mode 100644
index 000000000..8aa13a13b
--- /dev/null
+++ b/zeal/mainwindow.cpp
@@ -0,0 +1,51 @@
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+#include "zeallistmodel.h"
+#include "zealsearchmodel.h"
+#include <zealdocsetsregistry.h>
+
+#include <iostream>
+using namespace std;
+
+#include <QStandardPaths>
+#include <QMessageBox>
+#include <QDir>
+
+MainWindow::MainWindow(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::MainWindow)
+{
+    auto dataLocation = QStandardPaths::writableLocation(QStandardPaths::DataLocation);
+    auto dataDir = QDir(dataLocation);
+    if(!dataDir.cd("docsets")) {
+        QMessageBox::critical(this, "No docsets directory found",
+                              QString("'docsets' directory not found in '%1'").arg(dataLocation));
+    } else {
+        for(auto subdir : dataDir.entryInfoList()) {
+            if(subdir.isDir() && !subdir.isHidden()) {
+                docsets->addDocset(subdir.absoluteFilePath());
+            }
+        }
+    }
+    ui->setupUi(this);
+    ui->treeView->setModel(&zealList);
+    ui->treeView->setColumnHidden(1, true);
+    connect(ui->treeView, &QTreeView::activated, [&](const QModelIndex& index) {
+        ui->webView->setUrl("file://" + index.sibling(index.row(), 1).data().toString());
+    });
+    connect(ui->lineEdit, &QLineEdit::textChanged, [&](const QString& text) {
+        if(!text.isEmpty()) {
+            zealSearch.setQuery(text);
+            ui->treeView->setModel(&zealSearch);
+            ui->treeView->reset();
+            ui->treeView->setColumnHidden(1, true);
+        } else {
+            ui->treeView->setModel(&zealList);
+        }
+    });
+}
+
+MainWindow::~MainWindow()
+{
+    delete ui;
+}
diff --git a/zeal/mainwindow.h b/zeal/mainwindow.h
new file mode 100644
index 000000000..b0ecdfbc2
--- /dev/null
+++ b/zeal/mainwindow.h
@@ -0,0 +1,26 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+#include "zeallistmodel.h"
+#include "zealsearchmodel.h"
+
+namespace Ui {
+class MainWindow;
+}
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+    
+public:
+    explicit MainWindow(QWidget *parent = 0);
+    ~MainWindow();
+    
+private:
+    Ui::MainWindow *ui;
+    ZealListModel zealList;
+    ZealSearchModel zealSearch;
+};
+
+#endif // MAINWINDOW_H
diff --git a/zeal/mainwindow.ui b/zeal/mainwindow.ui
new file mode 100644
index 000000000..402973eb2
--- /dev/null
+++ b/zeal/mainwindow.ui
@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>1050</width>
+    <height>579</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralWidget">
+   <layout class="QGridLayout" name="gridLayout">
+    <item row="0" column="0">
+     <widget class="QSplitter" name="splitter">
+      <property name="orientation">
+       <enum>Qt::Horizontal</enum>
+      </property>
+      <widget class="QWidget" name="">
+       <layout class="QVBoxLayout" name="verticalLayout">
+        <item>
+         <widget class="QLineEdit" name="lineEdit"/>
+        </item>
+        <item>
+         <widget class="QTreeView" name="treeView">
+          <property name="selectionBehavior">
+           <enum>QAbstractItemView::SelectItems</enum>
+          </property>
+          <property name="indentation">
+           <number>10</number>
+          </property>
+          <attribute name="headerVisible">
+           <bool>false</bool>
+          </attribute>
+         </widget>
+        </item>
+       </layout>
+      </widget>
+      <widget class="QWebView" name="webView">
+       <property name="url">
+        <url>
+         <string>about:blank</string>
+        </url>
+       </property>
+      </widget>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="menuBar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>1050</width>
+     <height>26</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QToolBar" name="mainToolBar">
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
+  </widget>
+  <widget class="QStatusBar" name="statusBar"/>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <customwidgets>
+  <customwidget>
+   <class>QWebView</class>
+   <extends>QWidget</extends>
+   <header>QtWebKit/QWebView</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/zeal/zeal.pro b/zeal/zeal.pro
new file mode 100644
index 000000000..c8ce5021d
--- /dev/null
+++ b/zeal/zeal.pro
@@ -0,0 +1,28 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2013-01-18T22:28:41
+#
+#-------------------------------------------------
+
+QT       += core gui widgets webkitwidgets sql
+
+
+TARGET = zeal
+TEMPLATE = app
+
+
+SOURCES += main.cpp\
+        mainwindow.cpp \
+    zeallistmodel.cpp \
+    zealsearchmodel.cpp \
+    zealdocsetsregistry.cpp
+
+HEADERS  += mainwindow.h \
+    zeallistmodel.h \
+    zealsearchmodel.h \
+    zealdocsetsregistry.h
+
+FORMS    += mainwindow.ui
+
+
+QMAKE_CXXFLAGS += -std=c++11
diff --git a/zeal/zealdocsetsregistry.cpp b/zeal/zealdocsetsregistry.cpp
new file mode 100644
index 000000000..af912aeeb
--- /dev/null
+++ b/zeal/zealdocsetsregistry.cpp
@@ -0,0 +1,14 @@
+#include "zealdocsetsregistry.h"
+
+ZealDocsetsRegistry* ZealDocsetsRegistry::m_Instance;
+
+ZealDocsetsRegistry* docsets = ZealDocsetsRegistry::instance();
+
+void ZealDocsetsRegistry::addDocset(const QString& path) {
+    auto dir = QDir(path);
+    auto db = QSqlDatabase::addDatabase("QSQLITE", dir.dirName());
+    db.setDatabaseName(dir.filePath("index.sqlite"));
+    db.open();
+    dbs.insert(dir.dirName(), db);
+    dirs.insert(dir.dirName(), dir);
+}
diff --git a/zeal/zealdocsetsregistry.h b/zeal/zealdocsetsregistry.h
new file mode 100644
index 000000000..63121e4ea
--- /dev/null
+++ b/zeal/zealdocsetsregistry.h
@@ -0,0 +1,64 @@
+#ifndef ZEALDOCSETSREGISTRY_H
+#define ZEALDOCSETSREGISTRY_H
+
+#include <QMutex>
+#include <QtSql/QSqlDatabase>
+#include <QDir>
+#include <QMap>
+#include <iostream>
+using namespace std;
+
+class ZealDocsetsRegistry
+{
+public:
+    static ZealDocsetsRegistry* instance()
+    {
+        static QMutex mutex;
+        if (!m_Instance)
+        {
+            mutex.lock();
+
+            if (!m_Instance)
+                m_Instance = new ZealDocsetsRegistry;
+
+            mutex.unlock();
+        }
+
+        return m_Instance;
+    }
+
+    void addDocset(const QString& path);
+
+    int count() const {
+        return dbs.count();
+    }
+
+    QSqlDatabase& db(const QString& name) {
+        return dbs[name];
+    }
+
+    const QDir& dir(const QString& name) {
+        return dirs[name];
+    }
+
+    QStringList names() const {
+        return dbs.keys();
+    }
+
+private:
+    ZealDocsetsRegistry() {
+    }
+
+    ZealDocsetsRegistry(const ZealDocsetsRegistry&); // hide copy constructor
+    ZealDocsetsRegistry& operator=(const ZealDocsetsRegistry&); // hide assign op
+                                 // we leave just the declarations, so the compiler will warn us
+                                 // if we try to use those two functions by accident
+
+    static ZealDocsetsRegistry* m_Instance;
+    QMap<QString, QSqlDatabase> dbs;
+    QMap<QString, QDir> dirs;
+};
+
+extern ZealDocsetsRegistry* docsets;
+
+#endif // ZEALDOCSETSREGISTRY_H
diff --git a/zeal/zeallistmodel.cpp b/zeal/zeallistmodel.cpp
new file mode 100644
index 000000000..b9dc3e0c8
--- /dev/null
+++ b/zeal/zeallistmodel.cpp
@@ -0,0 +1,130 @@
+#include "zeallistmodel.h"
+#include "zealdocsetsregistry.h"
+
+#include <QtSql/QSqlQuery>
+
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+ZealListModel::ZealListModel(QObject *parent) :
+    QAbstractItemModel(parent)
+{
+    strings = new QSet<QString>;
+    modulesCounts = new QHash<QString, int>;
+}
+
+Qt::ItemFlags ZealListModel::flags(const QModelIndex &index) const
+{
+    if(!index.isValid())
+        return 0;
+    return QAbstractItemModel::flags(index);
+}
+
+const QHash<QString, int> ZealListModel::getModulesCounts() const
+{
+    if(!modulesCounts->count()) {
+        for(auto name : docsets->names()) {
+            auto db = docsets->db(name);
+            auto q = db.exec("select count(*) from things where type='module'");
+            q.next();
+            (*modulesCounts)[name] = q.value(0).toInt();
+        }
+    }
+    return *modulesCounts;
+}
+
+QModelIndex ZealListModel::index(int row, int column, const QModelIndex &parent) const
+{
+    if(!parent.isValid()) {
+        if(row >= docsets->count()) return QModelIndex();
+        if(column == 0) {
+            return createIndex(row, column, (void*)getString(docsets->names().at(row)));
+        } else if(column == 1) {
+            return createIndex(row, column, (void*)getString(docsets->dir(docsets->names().at(row)).absoluteFilePath("index.html")));
+        }
+        return QModelIndex();
+    } else {
+        if(i2s(parent)->indexOf('/') == -1) {
+            if(column == 0) {
+                return createIndex(row, column, (void*)getString(*i2s(parent)+"/Modules"));
+            }
+        } else if(i2s(parent)->endsWith("/Modules")) {
+            auto name = i2s(parent)->split("/").at(0);
+            if(row >= getModulesCounts()[name]) return QModelIndex();
+            auto db = docsets->db(name);
+            if(column == 0) {
+                auto q = db.exec("select name from things where type='module' limit 1 offset " + QString().setNum(row));
+                q.next();
+                return createIndex(row, column,
+                    (void*)getString(QString("%1/Modules/%2").arg(name, q.value(0).toString())));
+            } else if(column == 1) {
+                auto q = db.exec("select path from things where type='module' limit 1 offset " + QString().setNum(row));
+                q.next();
+                return createIndex(row, column, (void*)getString(docsets->dir(name).absoluteFilePath(q.value(0).toString())));
+            }
+        }
+        return QModelIndex();
+    }
+}
+
+QVariant ZealListModel::data(const QModelIndex &index, int role) const
+{
+    if (role != Qt::DisplayRole || !index.isValid())
+        return QVariant();
+    if(index.column() == 0)
+        return QVariant(i2s(index)->split('/').last());
+    else {
+        return QVariant(*i2s(index));
+    }
+}
+
+QVariant ZealListModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    return QVariant();
+}
+
+int ZealListModel::rowCount(const QModelIndex &parent) const
+{
+    if(parent.column() > 0 && !i2s(parent)->endsWith("/Modules")) return 0;
+    if(!parent.isValid()) {
+        // root
+        return docsets->count();
+    } else {
+        auto parentStr = i2s(parent);
+        if(parentStr->indexOf("/") == -1) {
+            // docset - one enty - Modules
+            return 1;
+        } else if(parentStr->endsWith("/Modules")) {
+            // modules count
+            return getModulesCounts()[parentStr->split('/').at(0)];
+        }
+        // module - no sub items
+        return 0;
+    }
+}
+
+const QString *ZealListModel::i2s(const QModelIndex &index) const
+{
+    return static_cast<const QString*>(index.internalPointer());
+}
+
+QModelIndex ZealListModel::parent(const QModelIndex &child) const
+{
+    if(child.isValid() && i2s(child)->endsWith("/Modules")) {
+        return createIndex(0, 0, (void*)getString(i2s(child)->split('/')[0]));
+    } else if(child.isValid() && i2s(child)->indexOf("/Modules/") != -1) {
+        return createIndex(0, 0, (void*)getString(i2s(child)->split('/')[0] + "/Modules"));
+    } else {
+        return QModelIndex();
+    }
+}
+
+int ZealListModel::columnCount(const QModelIndex &parent) const
+{
+    if(!parent.isValid() || i2s(parent)->endsWith("/Modules"))
+        return 2;
+    else
+        return 1;
+}
diff --git a/zeal/zeallistmodel.h b/zeal/zeallistmodel.h
new file mode 100644
index 000000000..2078a77b9
--- /dev/null
+++ b/zeal/zeallistmodel.h
@@ -0,0 +1,42 @@
+#ifndef ZEALLISTMODEL_H
+#define ZEALLISTMODEL_H
+
+#include <Qt>
+#include <QAbstractListModel>
+#include <QSet>
+#include <QHash>
+#include <QSharedPointer>
+#include <vector>
+#include <string>
+#include <iostream>
+using namespace std;
+
+class ZealListModel : public QAbstractItemModel
+{
+    Q_OBJECT
+public:
+    explicit ZealListModel(QObject *parent = 0);
+    Qt::ItemFlags flags(const QModelIndex &index) const;
+    QVariant data(const QModelIndex &index, int role) const;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const;
+    QModelIndex index(int row, int column, const QModelIndex &parent) const;
+    QModelIndex parent(const QModelIndex &child) const;
+    int rowCount(const QModelIndex &parent) const;
+    int columnCount(const QModelIndex &parent) const;
+signals:
+    
+public slots:
+
+private:
+    const QString* i2s(const QModelIndex &index) const;
+    QHash<QString, int> *modulesCounts;
+    const QHash<QString, int> getModulesCounts() const;
+    QSet<QString> *strings;
+    const QString* getString(const QString& str) const {
+        if(strings->find(str) == strings->end())
+            (*strings).insert(str);
+        return &*strings->find(str);
+    }
+};
+
+#endif // ZEALLISTMODEL_H
diff --git a/zeal/zealsearchmodel.cpp b/zeal/zealsearchmodel.cpp
new file mode 100644
index 000000000..281b9317c
--- /dev/null
+++ b/zeal/zealsearchmodel.cpp
@@ -0,0 +1,110 @@
+#include <iostream>
+#include <numeric>
+using namespace std;
+
+#include <QtSql/QSqlDatabase>
+#include <QtSql/QSqlQuery>
+
+#include "zealsearchmodel.h"
+#include "zealdocsetsregistry.h"
+
+ZealSearchModel::ZealSearchModel(QObject *parent) :
+    QAbstractItemModel(parent)
+{
+    counts = new QHash<QString, int>;
+    strings = new QSet<QString>;
+}
+
+Qt::ItemFlags ZealSearchModel::flags(const QModelIndex &index) const
+{
+    if(!index.isValid())
+        return 0;
+    return QAbstractItemModel::flags(index);
+}
+
+QVariant ZealSearchModel::data(const QModelIndex &index, int role) const
+{
+    if (role != Qt::DisplayRole || !index.isValid())
+        return QVariant();
+    return QVariant(*static_cast<QString*>(index.internalPointer()));
+}
+
+QVariant ZealSearchModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    return QVariant();
+}
+
+QModelIndex ZealSearchModel::index(int row, int column, const QModelIndex &parent) const
+{
+    if(!parent.isValid()) {
+        QSqlDatabase db;
+        int found = 0, drow = 0;
+        QString name;
+        for(QString name_ : docsets->names()) {
+            db = docsets->db(name_);
+            found += getCounts()[name_];
+            if(found > row) {
+                name = name_;
+                break;
+            }
+            // not enough rows - decrement row
+            drow -= getCounts()[name_];
+        }
+        if(found <= row) return QModelIndex();
+        if(column == 0) {
+            auto q = db.exec(QString("select name, parent from things where name like '%1%' order by name asc, path asc limit 1 offset ").arg(query)+QString().setNum(row+drow));
+            q.next();
+            if(!q.value(1).isNull()) {
+                auto qp = db.exec(QString("select name from things where id = %1").arg(q.value(1).toInt()));
+                qp.next();
+                return createIndex(row, column, (void*)getString(
+                    QString("%1 (%2)").arg(q.value(0).toString(), qp.value(0).toString())));
+            } else {
+                return createIndex(row, column, (void*)getString(q.value(0).toString()));
+            }
+
+        } else if (column == 1) {
+            auto q = db.exec(QString("select path from things where name like '%1%' order by name asc, path asc limit 1 offset ").arg(query)+QString().setNum(row+drow));
+            q.next();
+            return createIndex(row, column, (void*)getString(docsets->dir(name).absoluteFilePath(q.value(0).toString())));
+        }
+    }
+    return QModelIndex();
+}
+
+QModelIndex ZealSearchModel::parent(const QModelIndex &child) const
+{
+    return QModelIndex();
+}
+
+int ZealSearchModel::rowCount(const QModelIndex &parent) const
+{
+    if(!parent.isValid()) {
+        return accumulate(getCounts().begin(), getCounts().end(), 0);
+    }
+    return 0;
+}
+
+int ZealSearchModel::columnCount(const QModelIndex &parent) const
+{
+    return 2;
+}
+
+void ZealSearchModel::setQuery(const QString &q) {
+    query = q;
+    counts->clear();
+    strings->clear();
+}
+
+const QHash<QString, int> ZealSearchModel::getCounts() const
+{
+    if(counts->empty()) {
+        for(auto name : docsets->names()) {
+            auto db = docsets->db(name);
+            auto q = db.exec(QString("select count(name) from things where name like '%1%'").arg(query));
+            q.next();
+            (*counts)[name] = min(40, q.value(0).toInt());
+        }
+    }
+    return *counts;
+}
diff --git a/zeal/zealsearchmodel.h b/zeal/zealsearchmodel.h
new file mode 100644
index 000000000..150304ecf
--- /dev/null
+++ b/zeal/zealsearchmodel.h
@@ -0,0 +1,38 @@
+#ifndef ZEALSEARCHMODEL_H
+#define ZEALSEARCHMODEL_H
+
+#include <QHash>
+#include <QSet>
+#include <QAbstractItemModel>
+
+class ZealSearchModel : public QAbstractItemModel
+{
+    Q_OBJECT
+public:
+    explicit ZealSearchModel(QObject *parent = 0);
+    Qt::ItemFlags flags(const QModelIndex &index) const;
+    QVariant data(const QModelIndex &index, int role) const;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const;
+    QModelIndex index(int row, int column, const QModelIndex &parent) const;
+    QModelIndex parent(const QModelIndex &child) const;
+    int rowCount(const QModelIndex &parent) const;
+    int columnCount(const QModelIndex &parent) const;
+    void setQuery(const QString& q);
+    
+signals:
+    
+public slots:
+
+private:
+    QString query;
+    QHash<QString, int> *counts;
+    const QHash<QString, int> getCounts() const;
+    QSet<QString> *strings;
+    const QString* getString(const QString& str) const {
+        if(strings->find(str) == strings->end())
+            (*strings).insert(str);
+        return &*strings->find(str);
+    }
+};
+
+#endif // ZEALSEARCHMODEL_H