diff --git a/App.xaml b/App.xaml
index 622e6b5..8014eb3 100644
--- a/App.xaml
+++ b/App.xaml
@@ -2,7 +2,8 @@
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:local="clr-namespace:MouseToJoystick2"
-             StartupUri="MainWindow.xaml">
+             StartupUri="MainWindow.xaml"
+             ShutdownMode="OnMainWindowClose">
     <Application.Resources>
     <local:MainWindowModel x:Key="MainWindowModel" />
   </Application.Resources>
diff --git a/MainWindow.xaml b/MainWindow.xaml
index ce11710..599b63b 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -27,5 +27,6 @@
       <TextBox Width="32" Height="20" IsEnabled="{Binding ManualScreenSize}" Text="{Binding ScreenHeight}"/>
     </WrapPanel>
     <ToggleButton Content="Run" Click="ToggleButton_Click" IsChecked="{Binding ShouldRun}" Margin="10"></ToggleButton>
+    <TextBlock HorizontalAlignment="Right"><Hyperlink FontSize="10" Click="Hyperlink_Click">Open Source Info</Hyperlink></TextBlock>
   </StackPanel>
 </Window>
diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index d57dcea..0ebdd90 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -46,5 +46,10 @@ private void ToggleButton_Click(object sender, RoutedEventArgs e)
                 model.SettingsEnabled = true;
             }
         }
+
+        private void Hyperlink_Click(object sender, RoutedEventArgs e)
+        {
+            new OSSInfoWindow().Show();
+        }
     }
 }
diff --git a/MouseToJoystick2.csproj b/MouseToJoystick2.csproj
index ddefcb5..4969963 100644
--- a/MouseToJoystick2.csproj
+++ b/MouseToJoystick2.csproj
@@ -77,10 +77,17 @@
       <DependentUpon>MainWindow.xaml</DependentUpon>
       <SubType>Code</SubType>
     </Compile>
+    <Page Include="OSSInfoWindow.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="MainWindowModel.cs" />
     <Compile Include="MouseToJoystickHandler.cs" />
+    <Compile Include="OSSInfoWindow.xaml.cs">
+      <DependentUpon>OSSInfoWindow.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Properties\AssemblyInfo.cs">
       <SubType>Code</SubType>
     </Compile>
diff --git a/MouseToJoystickHandler.cs b/MouseToJoystickHandler.cs
index 3740ac8..2007d42 100644
--- a/MouseToJoystickHandler.cs
+++ b/MouseToJoystickHandler.cs
@@ -24,9 +24,9 @@ class MouseToJoystickHandler : IDisposable
         private vJoy joystick = null;
         private readonly uint id;
 
-        private long AXIS_MAX;
-        private long AXIS_MIN;
-        private long AXIS_MID;
+        private readonly long AXIS_MAX;
+        private readonly long AXIS_MIN;
+        private readonly long AXIS_MID;
 
         private const uint VJOY_BTN_1 = 1;
         private const uint VJOY_BTN_2 = 2;
diff --git a/OSSInfoWindow.xaml b/OSSInfoWindow.xaml
new file mode 100644
index 0000000..1cb2d44
--- /dev/null
+++ b/OSSInfoWindow.xaml
@@ -0,0 +1,64 @@
+<Window x:Class="MouseToJoystick2.OSSInfoWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:MouseToJoystick2"
+        mc:Ignorable="d"
+        Title="Open Source Info" SizeToContent="Width">
+  <TextBox TextWrapping="Wrap" xml:space="preserve" VerticalScrollBarVisibility="Visible" ScrollViewer.CanContentScroll="True" IsReadOnly="True">
+This project uses code from open source projects.
+
+# MouseKeyHook
+Copyright (c) 2004-2015, George Mamaladze
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of asssdwd nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# vJoy
+MIT License
+
+Copyright (c) 2017 Shaul Eizikovich
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+    </TextBox>
+</Window>
diff --git a/OSSInfoWindow.xaml.cs b/OSSInfoWindow.xaml.cs
new file mode 100644
index 0000000..19e43d9
--- /dev/null
+++ b/OSSInfoWindow.xaml.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace MouseToJoystick2
+{
+    /// <summary>
+    /// Interaction logic for OSSInfoWindow.xaml
+    /// </summary>
+    public partial class OSSInfoWindow : Window
+    {
+        public OSSInfoWindow()
+        {
+            InitializeComponent();
+        }
+    }
+}