Add-in Expressfor Microsoft Office and CodeGear VCL
EditByBSEditor: dd-in Express VCL is the first visual tool for writing a COM add-in, SMART tag and RTD server in Delphi. It completely supports these technologies and makes them very comfortable for programming extensions for all available Microsoft Office versions across 2000 through Microsoft Office 2007.
Visual designers: you write functional code only

Add-in Express VCL is entirely based on the Rapid Application Development approach and empowers you to develop professional plugins for Microsoft Office with a couple of clicks. The programming model and run-time code of Add-in Express are based on CodeGear VCL for Win32, written in Delphi and make your add-ins, smart tags, Microsoft Excel RTD servers and user-defined functions commercial class and feature-rich.

Add-in Express generates COM-based projects that contain all necessary functionality for Microsoft Office add-ins or smart tags and centralize all technology-specific components through visual designers and RAD modules. More about Office 2007 Ribbon designer. you can free download Add-in Express 2008 for VCL Premium 2008.4.4.410 now.