1)   10Tec iGrid.NET 1.70
iGrid.NET is the most flexible, fast and easiest grid for the .NET Framework. You can use iGrid.NET either as a list view substitution or as a full-featured grid control.

 2)   CSS Scrollbar Color Designer 3
Create stunning CSS scrollbar color themes for Internet Explorer and Opera web browsers. The intuitive color mixer, color pickers, and color eye-droppers make choosing colors fast and easy. Displays HEX, RBG, and named colors. Import or export CSS.

 3)   Xceed Editors for .NET 1.0
Customizable, modular, themable: WinForms editor controls that can be combined to create unique user interfaces. Classes can be extended to create new ones, meaning a more flexible, powerful UI offering end-users new interaction possibilities.