Top 20 NuGet appbar Packages

Material Design Extensions is based on Material Design in XAML Toolkit to provide additional controls and features for WPF apps. The controls might not be specified in the Material Design specification or would crash the scope of Material Design in XAML Toolkit.
AppBar buttons for creating and customizing text in RichTextBox control.
RichTextBox コントロールでテキストを作成およびカスタマイズするための AppBar ボタンです。
Package Description
Cimbalino Windows Phone Toolkit is a set of useful and powerful items that will help you build your Windows Phone applications. This is the main toolkit component.
Cimbalino Toolkit is a set of useful and powerful items that will help you build your Windows applications. This is the main component of the toolkit.
A menu of FloatingActionButton items, designed to be anchored on an AppBarLayout
Helper class to simplify usage of the Windows Phone application bar
Controls and utilities for Windows 8.1 XAML store applications.
Special build of MaterialDesignExtensions supporting long file system paths via an additional library rather than System.IO to support older Windows and .NET versions. If you do not need the long path support for older Windows and .NET version, please install the original Material Design Extensions...
Bindable application bar wrappers for Windows Phone.
Sparked Windows 8.1 Control library
This package provides an easy "Share App on Facebook" AppBar button control that you can integrate into your AppBar. Your end users can click the button to easily post about your app on Facebook, thereby driving downloads of your application.
Caliburn.Micro.BindableAppBar 3.0.0 (release)
Dockable desktop window and other classes supporting WPF applications. Sample WPF projects available at BitBucket, see project link.
Helper library for creating AppBars (forms which are docked to the side of the screen). AppBars reserve the required space, similar to the Taskbar in Windows.