Top 20 NuGet toolkit Packages

Microsoft Cognitive Toolkit Libraries, CPU-Only Build
Fluent.Ribbon is a library that implements an Office-like user interface for the Windows Presentation Foundation (WPF). It provides controls such as RibbonTabControl, Backstage, Gallery, QuickAccessToolbar, ScreenTip and so on.
The goal of MahApps.Metro is to allow devs to quickly and easily cobble together a "Metro" or "Modern UI" for their WPF4+ apps, with minimal effort.
Xamarin.Essentials: a kit of essential API's for your apps
Microsoft Cognitive Toolkit Libraries, GPU Build
Fody add-in that provides custom interception. Supports Net45, NetStandard2.0 and UWP. Method, Property, Constructor and Field interceptors can be found in the package Cauldron.BasicInterceptors (https://www.nuget.org/packages/Cauldron.BasicInterceptors/)
IconPacks for stylish awesome WPF or UWP apps.
Custom interceptors for Cauldron.Interception.Fody that provides method, property, field and constructor interception.
Xwt is a cross-platform UI toolkit for creating desktop applications with .NET and Mono that run on multiple platforms from the same codebase. Xwt works by exposing one unified API across all environments that is mapped to a set of native controls on each platform. The framework consists of the fr...
Microsoft Cognitive Toolkit Libraries, UWP CPU-Only Build
Xwt is a cross-platform UI toolkit for creating desktop applications with .NET and Mono. This package contains the GTK toolkit backend for Xwt based applications targeting GTK2. Xwt.Gtk requires gtk-sharp (https://github.com/mono/gtk-sharp/). The Windows installation package can be obtained from h...
Xwt is a cross-platform UI toolkit for creating desktop applications with .NET and Mono. This package contains the Xamarin.Mac based Mac/Cocoa toolkit backend for Xwt applications targeting OS X. Xwt.XamMac requires Xamarin.Mac to be installed.
Xwt is a cross-platform UI toolkit for creating desktop applications with .NET and Mono. This package contains the GTK toolkit backend for Xwt based applications targeting GTK2 on Windows. Xwt.Gtk requires gtk-sharp (https://github.com/mono/gtk-sharp/). The Windows installation package can be obta...
Xwt is a cross-platform UI toolkit for creating desktop applications with .NET and Mono. This package contains the GTK3 toolkit backend for Xwt based applications targeting GTK3. Xwt.Gtk3 requires gtk-sharp3 (https://github.com/mono/gtk-sharp/). The Windows installation package can be obtained fro...
Xwt is a cross-platform UI toolkit for creating desktop applications with .NET and Mono. This package contains the WPF toolkit backend for Xwt based applications targeting WPF (Windows Presentation Foundation).
Xwt is a cross-platform UI toolkit for creating desktop applications with .NET and Mono. This package contains the GTK toolkit backend for Xwt based applications targeting GTK2 on Mac. Xwt.Gtk requires gtk-sharp (https://github.com/mono/gtk-sharp/). The Windows installation package can be obtained...
Extended WPF Toolkit is the number one collection of WPF controls, components and utilities for creating next generation Windows applications. Provides 49 controls, all offered under the Microsoft Public License for maximum freedom. v3.4.0 provides 42 bug fixes and improvements. Documentation, sourc...
A set of controls, extensions and helper classes for Windows Runtime XAML applications.
The activator is a simple and fast dependency injection framework. It is based on attributes and does not require any configuration files for configuration. It also supports using static methods as component constructor. This version is not compatible with Assemblies weaved by versions older t...
AjaxControlToolkit contains a rich set of controls that you can use to build highly responsive and interactive AJAX-enabled Web applications. AjaxControlToolkit contains more than 40 controls, including the AutoComplete, CollapsiblePanel, ColorPicker, MaskedEdit, Calendar, Accordion, and Watermark c...