Add-in Express .NET, Developer Cost: $149 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions Add-in Express .NET, Developer: Add-in Express .NET is a tool for developing Microsoft Office COM Add-ins. Using it you can develop a single component that will run across the entire Office suite of applications. It allows you to start writing an add-in in just 15 minutes. www.Add-in-Express.com