1)   RapidXLL 1.2
RapidXLL automatically converts unmanaged C/C++ libraries into Excel Add-Ins, .NET Libraries, and HTML Documentation. RapidXLL will save you valuable time in coding, debugging, development, deployment, and maintenance of Excel Add-Ins.

 2)   DMControls.Lens .NET control 1.0
DMControls.Lens is a .NET control that enables you to retrieve the magnification scale of screen objects. Selectable zoom factor, displaying xy mouse coordinates and other features make the control one of the best solutions for software developers