EWSoftware.ListControls for Winforms (2020)

[Costas]

https://github.com/EWSoftware/ListControls

http://www.nuget.org/packages/EWSoftware.ListControls

http://ewsoftware.github.io/ListControls/search.html?SearchText=UserControlComboBox

 

[Costas]

Group Controls for .NET WinForms

Controls that display multiple sub-controls without creating a unique window handle for each child.

https://github.com/dahall/groupcontrols
https://www.nuget.org/packages/GroupControls#readme-body-tab

 

[Costas]

FerretLib.WinForms for .NET WinForms

ColorPicker / RageMessageBox / TagLabelControl / TransparentControl

https://github.com/nathanchere/FerretLib.WinForms
https://www.nuget.org/packages/FerretLib.WinForms