WinForms Shape Control

•    DotNet

A simple WinForms control that will display a shape (rectange, triangle, star, curve, polygon, etc.) with a number of different fill and outline effects, including text. Nice for spicing up a form.

Windows Forms Aero

•    DotNet

This project aims to create a Windows Control Library that provides controls reproducing the appearance of Microsoft Aero graphic objects, like buttons and links with shield icon, textboxes with cue banner, etc.

winforms - Windows Forms is a .NET Core UI framework for building Windows desktop applications.

•    CSharp

Windows Forms (WinForms) is a UI framework for building Windows desktop applications. It is a .NET wrapper over Windows user interface libraries, such as User32 and GDI+. It also offers controls and other functionality that is unique to Windows Forms. Windows Forms also provides one of the most productive ways to create desktop applications based on the visual designer provided in Visual Studio. It enables drag-and-drop of visual controls and other similar functionality that make it easy to build desktop applications.

WinForms Group Controls

•    DotNet

WinForms controls that display multiple sub-controls without creating a unique window handle for each child. Instead each child is drawn using the default renderers and its space and status are managed by the parent. Currently a RadioButtonList and a CheckBoxList are implemented.

"Ascend.Net" Windows Forms Controls

•    DotNet

"Ascend.NET" Windows forms controls are a collection of .NET custom controls implemented in C# targeting Visual Studio 2005. The controls are designed to be flexible, but not overly complicated and are reliable under tough conditions.

ScintillaNET

ScintillaNET is a powerful text editing control for Windows Forms applications and a managed wrapper around the versatile Scintilla component.

AjaxForWinForms

•    DotNet

It's purpose is to have the Ajax controls on Windows Forms It's developed in C#

WPF Multiple Document Interface (MDI)

•    CSharp

A library to add the traditional Windows Forms Multiple Document Interface (MDI) features to WPF. The aim is to resemble the original as much as possible.

Superlist

Base on the codeproject project “Outlook Style Grouped List Control” (http://www.codeproject.com/cs/miscctrl/outlooklistcontrol.asp) Created for the article author Lee Paul Alexander.

DataJuggler Controls

•    ASPNET

DataJuggler Controls consists of a series of C# projects containing Web Controls, Windows Controls and WPF controls to make data entry forms easier.

WinForms in XAML

Toolkit to design and instantiate Windows Forms controls using XAML capabilities. Support for all standard WinForms controls, bindings, resources and arguments.

Hyperlinked Validation System for WinForms

A easy-to-use and powerful utility for form-input checks.

AscendedThemeKit (Themed Windows Forms and Controls)

The child of the Ascend.Net controls and ThemeKit theming forms and controls. Add themable forms and controls to your project.

Rocket Framework -Windows Form

•    DotNet

Want to automate winforms? not just CRUD, this help creating any type of winforms controls. The Rocket Framework for WinForm (using .net c# 4 ) provides a set of easily utilizable generic library to seemlessly develop 'form based' application/ control / custom controls for .Net.

DragDropGrid

A DataGridView for .NET Forms development that extends the base DataGridView control to add drag and drop between DragDropGrids, and reordering of items within the same DragDropGrid.

Windows Ribbon for WinForms

Windows Ribbon for WinForms is a .NET wrapper for Windows 7 Ribbon control. It will allow WinForms developers to use Microsoft Windows 7 Ribbon control in their WinForms applications.

XP Common Controls

•    DotNet

a collection of vb.net 2.0 controls

WPF Win32 Interop Render Control

•    WPF

Breath new WPF life into those legacy Win32 controls. Win32HostRenderer is a WPF control that will host a Win32 control and render it onto a WPF bitmap buffer allowing you to interact with the control and apply anchors and other sweet WPF trickery and magic. It works with 2D ...

Bing Maps Winforms User Control

A Winforms User Control for displaying and manipulation maps using Microsoft Bing Maps.

ToolStrip Customizer for .NET WinForms

Lightweight and easy to use tool designed to help you change look and feel of the .NET Framework ToolStrip controls: toolbars and menus.