Top 20 NuGet custom Packages

Custom WPF controls.
This package contains classes for issuing App Service Authentication tokens. For more information, check out http://azure.microsoft.com/mobile.
The minimal set of dependencies to produce NUnit extensions and addins.
CreativeXamlToolkit is a tiny library containing custom controls for WPF & UWP application.
A free light weight jQuery plugin that allows you to create a custom drop down with images and description.
A Custom-Drawn ConfirmationButton Control for Windows Forms applications. This project is Open Source, and contributions are encouraged, at: https://github.com/jaseonline/ConfirmationButton
A simple and free Separator Control for Windows Forms applications.
A simple, flat-themed [On/Off] Switch Control for Windows Forms applications.
custom exceptions.
Toggl Switch for WPF based applications, use this switch for highly customized WPF Applications.
Package for use with creating Custom Actions in Nintex Workflow on SharePoint 2013 (on premises)
Custom Windows Forms Controls to make UI have a good looking
Xamarin.Android custom controls with swipe actions.
This package provides an attribute that you can apply to your DotNetActivity. You specify the location of the pipeline which your custom activity is run from and the name of the activity in the pipeline. The activity is then de-serialized into an object which you can use to easily debug your custom ...
Note: The package will not be maintained anymore! Library including WebDriverFactory class and other useful utilities and extensions.
NLog for App Insight,Table Storage and Blob Storage
Microsoft Custom Decision Service REST based API.