Top 20 NuGet controls Packages

Controls for Xamarin.Forms.
Essential JS 2 for ASP.NET Core is a modern UI toolkit built from the ground up to be lightweight, responsive, modular, and touch-friendly. It includes over 50 components, including grid, chart, scheduler, and much more. Key features: • Lightweight • Built for performance. • Supports TagHelper and ...
The robbiblubber.org Utility Controls Library provides controls.
A paging control in Xamarin.Forms. Can be used with carousel page.
TBD
Some useful code from book by Jacek Matulewski
Magic controls and extension for .net and WPF
A collection of Audio Controls for Xamarin Forms.
iOS and Android modular and customizable controls and components for developers
An ASP.NET Control similar to GridView but it auto builds a Web From in run-time by binding a Model.
Everyone who has worked with Borland's Delphi knows how powerful Actions are. Actions are used to link together various UI elements, such as buttons, menu items, and toolbar buttons, making them behave consistently: linked items are checked/ unchecked/ enabled/ disabled at the same time, and they sh...
The DevPhoneToolkit for Windows Phone. Details at http://devphonetoolkit.codeplex.com/
A rich library of user interface XAML controls for Windows 8 that includes: Radial Menu, Calendar, Color Picker, TextBox, Plain Menu, Time Picker, Rating, UpDown, Expander, Accordion, Breadcrumbs, Layout Transform, Range Slider, Tab Control, Tree View and Flyout
Arkane Systems WPF class library Please see project web site for more information.
The Microsoft Report Viewer 2010 SP1 Redistributable Package includes controls for viewing reports designed using Microsoft reporting technology.
Newport is a library providing building blocks for Windows Phone and Windows Store App development. It offers an MVVM framework, attached properties for existing controls and a set of custom controls.
These are controls to help write script tags for ASP.NET WebForms.
Gaia Ajax offers a simple and elegant approach to do Ajax in ASP.NET WebForms. Server controls like Label, Button, GridView etc are extended to include built-in support for granular Ajax functionality. Gaia is designed to allow you to build rich internet applications by fully leveraging the powe...
Validation, Format attributes and Query protection logic (SafeQuery IQueryable, and CanSort attribute) used by the Mvc Controls Toolkit
Provides a set of components to help create beautiful and consistent Windows Phone user interfaces and make common programming tasks easier. Supported Framework • Windows Phone 8.1 [Windows Runtime apps only]