diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..fbc3b97e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+/vendor/
+/composer.lock
+/db.sqlite
+/config.json
\ No newline at end of file
diff --git a/composer.json b/composer.json
new file mode 100644
index 00000000..b4df5107
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,22 @@
+{
+    "name": "yggverse/yoda",
+    "description": "PHP-GTK Client for Gemini Protocol",
+    "keywords": [ "php-gtk", "gtk", "gtk3", "gemini", "gemini-protocol", "client", "browser", "altweb" ],
+    "homepage": "https://github.com/YGGverse/Yoda",
+    "type": "project",
+    "require": {
+        "yggverse/gemini": "^0.7.0",
+        "yggverse/net": "^1.7"
+    },
+    "license": "MIT",
+    "autoload": {
+        "psr-4": {
+            "Yggverse\\Yoda\\": "src/"
+        }
+    },
+    "authors": [
+        {
+            "name": "YGGverse"
+        }
+    ]
+}
diff --git a/src/Box/Main.php b/src/Box/Main.php
new file mode 100644
index 00000000..bda22619
--- /dev/null
+++ b/src/Box/Main.php
@@ -0,0 +1,145 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Box;
+
+class Main
+{
+    public \GtkBox $box;
+
+    public \Yggverse\Yoda\Box\Menu $menu;
+    public \Yggverse\Yoda\Box\Navigation $navigation;
+    public \Yggverse\Yoda\Label\Content $content;
+    public \Yggverse\Yoda\Label\Tray $tray;
+
+    public function __construct(
+        string $name = 'boxMain'
+    ) {
+        $this->box = new \GtkBox(
+            \GtkOrientation::VERTICAL
+        );
+
+        $this->box->set_name(
+            $name
+        );
+
+        // Init dependencies
+        $this->menu = new \Yggverse\Yoda\Box\Menu();
+
+        $this->box->pack_start(
+            $this->menu->box,
+            false,
+            true,
+            0
+        );
+
+        $this->navigation = new \Yggverse\Yoda\Box\Navigation();
+
+        $this->box->pack_start(
+            $this->navigation->box,
+            false,
+            true,
+            0
+        );
+
+        $this->content = new \Yggverse\Yoda\Label\Content();
+
+        $scroll = new \GtkScrolledWindow();
+
+        $scroll->add(
+            $this->content->label
+        );
+
+        $this->box->pack_start(
+            $scroll,
+            true,
+            true,
+            10
+        );
+
+        $this->tray = new \Yggverse\Yoda\Label\Tray();
+
+        $this->box->pack_start(
+            $this->tray->label,
+            false,
+            true,
+            0
+        );
+
+        $this->navigation->address->entry->connect(
+            'activate',
+            function ($entry)
+            {
+                global $config;
+
+                $host = null;
+
+                if ($config->resolver->enabled)
+                {
+                    $resolve = new \Yggverse\Net\Resolve(
+                        $config->resolver->request->record,
+                        $config->resolver->request->host,
+                        $config->resolver->request->timeout,
+                        $config->resolver->result->shuffle
+                    );
+
+                    $address = new \Yggverse\Net\Address(
+                        $entry->get_text()
+                    );
+
+                    $resolved = $resolve->address(
+                        $address
+                    );
+
+                    if ($resolved)
+                    {
+                        $host = $resolved->getHost(); // @TODO memory cache
+                    }
+                }
+
+                $request = new \Yggverse\Gemini\Client\Request(
+                    $entry->get_text(),
+                    $host
+                );
+
+                $this->tray->label->set_text(
+                    sprintf(
+                        'Open %s...',
+                        $entry->get_text()
+                    )
+                );
+
+                $start = microtime(true);
+
+                $raw = $request->getResponse();
+
+                $end = microtime(true);
+
+                $response = new \Yggverse\Gemini\Client\Response(
+                    $raw
+                );
+
+                $this->content->label->set_markup(
+                    $response->getBody()
+                );
+
+                $this->tray->label->set_text(
+                    sprintf(
+                        '%s | %s | %d bytes | %s seconds',
+                        date('c'),
+                        $response->getMeta() ? $response->getMeta() : $response->getCode(),
+                        number_format(
+                            mb_strlen(
+                                $raw
+                            )
+                        ),
+                        round(
+                            $end - $start, 2
+                        )
+                    )
+                );
+            }
+        );
+    }
+}
\ No newline at end of file
diff --git a/src/Box/Menu.php b/src/Box/Menu.php
new file mode 100644
index 00000000..6fa3f8d3
--- /dev/null
+++ b/src/Box/Menu.php
@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Box;
+
+class Menu
+{
+    public \GtkBox $box;
+
+    public \Yggverse\Yoda\Menu\Bar\Main $main;
+
+    public function __construct(
+        string $name = 'boxMenu'
+    ) {
+        $this->box = new \GtkBox(
+            \GtkOrientation::VERTICAL
+        );
+
+        $this->box->set_name(
+            $name
+        );
+
+        $this->main = new \Yggverse\Yoda\Menu\Bar\Main();
+
+        $this->box->add(
+            $this->main->bar
+        );
+    }
+}
\ No newline at end of file
diff --git a/src/Box/Navigation.php b/src/Box/Navigation.php
new file mode 100644
index 00000000..ae4e471b
--- /dev/null
+++ b/src/Box/Navigation.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Box;
+
+class Navigation
+{
+    public \GtkBox $box;
+
+    public \Yggverse\Yoda\Entry\Address $address;
+
+    public function __construct(
+        string $name = 'boxNavigation'
+    ) {
+        global $config;
+
+        $this->box = new \GtkBox(
+            \GtkOrientation::VERTICAL
+        );
+
+        $this->box->set_name(
+            $name
+        );
+
+        $this->address = new \Yggverse\Yoda\Entry\Address(
+            $config->homepage
+        );
+
+        $this->box->add(
+            $this->address->entry
+        );
+    }
+}
\ No newline at end of file
diff --git a/src/Entry/Address.php b/src/Entry/Address.php
new file mode 100644
index 00000000..d9b5cfee
--- /dev/null
+++ b/src/Entry/Address.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Entry;
+
+class Address
+{
+    public \GtkEntry $entry;
+
+    public function __construct(
+        ?string $value = null
+    ) {
+        $this->entry = new \GtkEntry();
+
+        $this->entry->set_text(
+            $value
+        );
+    }
+}
\ No newline at end of file
diff --git a/src/Label/Content.php b/src/Label/Content.php
new file mode 100644
index 00000000..7fedccc8
--- /dev/null
+++ b/src/Label/Content.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Label;
+
+class Content
+{
+    public \GtkLabel $label;
+
+    public function __construct(string $value = '')
+    {
+        $this->label = new \GtkLabel(
+            $value
+        );
+
+        $this->label->set_use_markup(
+            true
+        );
+
+        $this->label->set_selectable(
+            true
+        );
+
+        $this->label->set_xalign(
+            0
+        );
+
+        $this->label->set_yalign(
+            0
+        );
+    }
+}
\ No newline at end of file
diff --git a/src/Label/Tray.php b/src/Label/Tray.php
new file mode 100644
index 00000000..d659b756
--- /dev/null
+++ b/src/Label/Tray.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Label;
+
+class Tray
+{
+    public \GtkLabel $label;
+
+    public function __construct(string $value = '')
+    {
+        $this->label = new \GtkLabel(
+            $value
+        );
+
+        $this->label->set_use_markup(
+            true
+        );
+
+        $this->label->set_selectable(
+            false
+        );
+
+        $this->label->set_xalign(
+            0
+        );
+
+        $this->label->set_yalign(
+            0
+        );
+    }
+}
\ No newline at end of file
diff --git a/src/Menu/Bar/Main.php b/src/Menu/Bar/Main.php
new file mode 100644
index 00000000..ec7b0e8b
--- /dev/null
+++ b/src/Menu/Bar/Main.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Menu\Bar;
+
+class Main
+{
+    public \GtkMenuBar $bar;
+
+    public \Yggverse\Yoda\Menu\Item\Yoda $yoda;
+
+    public function __construct()
+    {
+        $this->bar = new \GtkMenuBar();
+
+        $this->yoda = new \Yggverse\Yoda\Menu\Item\Yoda();
+
+        $this->bar->append(
+            $this->yoda->item
+        );
+    }
+}
\ No newline at end of file
diff --git a/src/Menu/Item/Quit.php b/src/Menu/Item/Quit.php
new file mode 100644
index 00000000..9a89db32
--- /dev/null
+++ b/src/Menu/Item/Quit.php
@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Menu\Item;
+
+class Quit
+{
+    public \GtkMenuItem $item;
+
+    public function __construct(string $label = 'Quit')
+    {
+        $this->item = \GtkMenuItem::new_with_label(
+            $label
+        );
+
+        $this->activate();
+    }
+
+    public function activate(): void
+    {
+        $this->item->connect(
+            'activate',
+            function ()
+            {
+                \Gtk::main_quit();
+            }
+        );
+    }
+}
\ No newline at end of file
diff --git a/src/Menu/Item/Yoda.php b/src/Menu/Item/Yoda.php
new file mode 100644
index 00000000..62dec923
--- /dev/null
+++ b/src/Menu/Item/Yoda.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Menu\Item;
+
+class Yoda
+{
+    public \GtkMenuItem $item;
+
+    public function __construct(string $label = 'Yoda')
+    {
+        $this->item = \GtkMenuItem::new_with_label(
+            $label
+        );
+
+        $children = new \GtkMenu();
+
+        $quit = new \Yggverse\Yoda\Menu\Item\Quit();
+
+        $children->append(
+            $quit->item
+        );
+
+        $this->item->set_submenu(
+            $children
+        );
+    }
+}
\ No newline at end of file
diff --git a/src/Model/Database.php b/src/Model/Database.php
new file mode 100644
index 00000000..6e64cda0
--- /dev/null
+++ b/src/Model/Database.php
@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Model;
+
+class Database
+{
+    public function __construct()
+    {}
+}
\ No newline at end of file
diff --git a/src/Model/File.php b/src/Model/File.php
new file mode 100644
index 00000000..ca4055d3
--- /dev/null
+++ b/src/Model/File.php
@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Model;
+
+class File
+{
+    public static function getConfig(): object
+    {
+        $filename = __DIR__ .
+        DIRECTORY_SEPARATOR . '..' .
+        DIRECTORY_SEPARATOR . '..' .
+        DIRECTORY_SEPARATOR . 'config.json';
+
+        if (file_exists($filename) && is_readable($filename))
+        {
+            $result = json_decode(
+                file_get_contents(
+                    $filename
+                )
+            );
+        }
+
+        if (empty($result))
+        {
+            throw new \Exception(); // @TODO
+        }
+
+        return $result;
+    }
+
+    public static function getTheme(string $name): string
+    {
+        $filename = __DIR__ .
+                    DIRECTORY_SEPARATOR . '..' .
+                    DIRECTORY_SEPARATOR . 'Theme' .
+                    DIRECTORY_SEPARATOR . $name . '.css';
+
+        if (file_exists($filename) && is_readable($filename))
+        {
+            $result = file_get_contents(
+                $filename
+            );
+        }
+
+        if (empty($result))
+        {
+            throw new \Exception(); // @TODO
+        }
+
+        return $result;
+    }
+}
\ No newline at end of file
diff --git a/src/Model/Memory.php b/src/Model/Memory.php
new file mode 100644
index 00000000..f83d9064
--- /dev/null
+++ b/src/Model/Memory.php
@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Model;
+
+class Memory
+{
+    public function __construct()
+    {}
+}
\ No newline at end of file
diff --git a/src/Theme/Default.css b/src/Theme/Default.css
new file mode 100644
index 00000000..6fa3f0c8
--- /dev/null
+++ b/src/Theme/Default.css
@@ -0,0 +1,3 @@
+#boxMenu {}
+#boxNavigation {}
+#boxMain {}
\ No newline at end of file
diff --git a/src/Yoda.php b/src/Yoda.php
new file mode 100644
index 00000000..71369d0c
--- /dev/null
+++ b/src/Yoda.php
@@ -0,0 +1,59 @@
+<?php
+
+// Load dependencies
+require_once __DIR__ .
+             DIRECTORY_SEPARATOR . '..'.
+             DIRECTORY_SEPARATOR . 'vendor' .
+             DIRECTORY_SEPARATOR . 'autoload.php';
+
+// Init config
+$config = \Yggverse\Yoda\Model\File::getConfig();
+
+// Init GTK
+\Gtk::init();
+
+// Init theme
+$css = new \GtkCssProvider();
+
+$css->load_from_data(
+    \Yggverse\Yoda\Model\File::getTheme(
+        $config->theme
+    )
+);
+
+$style = new \GtkStyleContext();
+
+$style->add_provider_for_screen(
+    $css,
+    600
+);
+
+// Init app window
+$window = new \GtkWindow();
+
+$window->set_size_request(
+    600,
+    480
+);
+
+$window->set_title(
+    'Yoda'
+);
+
+$window->connect(
+    'destroy',
+    function()
+    {
+        \Gtk::main_quit();
+    }
+);
+
+$main = new \Yggverse\Yoda\Box\Main();
+
+$window->add(
+    $main->box
+);
+
+$window->show_all();
+
+\Gtk::main();
\ No newline at end of file