Top 20 NuGet winforms Packages

Powerful Syntax Highlight Windows Forms Control for the Microsoft.NET Platform. Written in C#. Supports syntax highlighting and code folding for just about any programming language.
An open source custom flexible logger for .NET apps, supporting text files, windows forms controls and more... Project URL: https://github.com/daredev/DLog.NET
A WinForms component that automatically shows a live stream of the application's log4net events
This control acts like a tab control but without the tabs...
JkhSettings by Jeoffman
A user control to edit a list of tags. See details, examples and instructions in the project site.
Unofficial package for the VS2015 Microsoft.ReportViewer.WinForms assemblies from Microsoft.
A Windows Forms control that enables the user to enter password text, momentarily showing each character entered.
DataAnnotation and Validation Framework for Winforms
.NET WinForms MenuItem control for displaying recently-accessed files in a variety of layouts.
Implements a few interesting animations for Windows Form Controls. I am just the packager as the project is abandoned but still works on the latest .NET
Microsoft ReportViewer Runtime 2015 for Windows Forms
This is a panel, first of all. Therefore, it has all the advantages of a panel, plus some nice little features.
A tool for binding controls, variables and typed event handlers to custom Settings classes.
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.
Binding for Windows Forms
The extended Windows.Forms controls