WinRTXamlToolkit.WindowsPhone 1.8.1 

dotnet add package WinRTXamlToolkit.WindowsPhone --version 1.8.1
NuGet\Install-Package WinRTXamlToolkit.WindowsPhone -Version 1.8.1
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="WinRTXamlToolkit.WindowsPhone" Version="1.8.1" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
paket add WinRTXamlToolkit.WindowsPhone --version 1.8.1
#r "nuget: WinRTXamlToolkit.WindowsPhone, 1.8.1"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
// Install WinRTXamlToolkit.WindowsPhone as a Cake Addin
#addin nuget:?package=WinRTXamlToolkit.WindowsPhone&version=1.8.1

// Install WinRTXamlToolkit.WindowsPhone as a Cake Tool
#tool nuget:?package=WinRTXamlToolkit.WindowsPhone&version=1.8.1

A set of controls, extensions and helper classes for Windows Runtime XAML applications.

Product Compatible and additional computed target framework versions.
Windows Phone wpa is compatible. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

This package has no dependencies.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last updated
1.8.1 4,466 1/16/2015
1.8.0 143 1/15/2015
1.7.9 561 12/23/2014
1.7.8.2 183 12/18/2014
1.7.8 73 12/18/2014
1.7.7 152 12/15/2014
1.7.6.7 211 12/6/2014
1.7.4 1,376 10/3/2014
1.7.3 223 9/21/2014
1.7.2 192 9/14/2014
1.7.1 206 9/2/2014
1.7.0 121 8/30/2014

WinRT XAML Toolkit for Windows Phone 8.1.

     Features
     - Attachable behaviors
     - Controls
     - Converters
     - Extension methods
     - Imaging helpers
     - IO helpers
     - VisualTree helpers
     - AwaitableUI

     See also
     - WinRTXamlToolkit.Windows, WinRTXamlToolkit.WindowsPhone for various controls and tools
     - WinRTXamlToolkit.Controls.Calendar.Windows, WinRTXamlToolkit.Controls.Calendar.WindowsPhone for a calendar control
     - WinRTXamlToolkit.Controls.DataVisualization.Windows, WinRTXamlToolkit.Controls.DataVisualization.WindowsPhone for data visualization controls (charts)
     - WinRTXamlToolkit.Controls.Gauge.Windows, WinRTXamlToolkit.Controls.Gauge.WindowsPhone for a gauge control
     - WinRTXamlToolkit.Debugging.Windows, WinRTXamlToolkit.Debugging.WindowsPhone for debugging helpers