Add-in Express 2 .NET Edition   
http://www.office-addins.com

Add-in Express .NET is a true RAD tool for creating COM Add-ins, Smart Tags and RTD servers on .NET. It implements everything required by the supported technologies including IDTExtensibility2, IRTDServer, ISmartTag and ISmartTagTopic(2), you write functional code only. Add-in Express supports all host applications from the MS Office Family such as Outlook, Excel, Word, PowerPoint, Access, Visio, FrontPage, Project, MapPoint and Publisher. With a couple of clicks Add-in Express .NET allows you to: - Create command bars and their controls, handle their events and events of the add-in host applications (for COM Add-ins). - Specify any smart tag topics and their recognizers, including dynamical recognizers. - Develop effective RTD Servers, including passing parameters to any RTD functions. Add-in Express .NET is developed in C# and directly supports C#, Visual Basic .NET (VB.NET), J#, C++ and Delphi for .NET. Add-in Express .NET supports Visual Studio 2003 and 2005, Delphi 8 and 2005, .NET Framework 1.0 and higher. For more details visit http://www.add-in-express.com/add-in-net/

Add-in Express 2 VCL Edition   
http://www.office-addins.com

Add-in Express VCL is a feature-rich tool for creating COM Add-ins, Smart Tags and RTD servers in Delphi. Add-in Express implements everything required by the supported technologies including IDTExtensibility2, IRTDServer, ISmartTag and ISmartTagTopic(2), you write functional code only. Add-in Express supports all host applications from the MS Office Family such as Outlook, Excel, Word, PowerPoint, Access, Visio, FrontPage, Project, MapPoint and Publisher. With a couple of clicks Add-in Express allows you to: - Create command bars and their controls, handle their events and events of the add-in host applications (for COM Add-ins). - Specify any smart tag topics and their recognizers including dynamical recognizers. - Develop effective RTD Servers including passing parameters to any RTD functions. Add-in Express is developed in Delphi and supports Delphi 5, 6, 7, 2005 and Delphi 2006. For more details visit http://www.add-in-express.com/add-in-delphi/