Extending Visual Studio

Microsoft UK has compiled a list of third-party solutions to extend Visual Studio.

Example:

Problem
My customer needs to rapidly implement intelligent forms on their website to collect data electronically and they do not have access to technical development staff.

Solution
Formfill's eformstudio® product allows non-technical users to develop complex electronic forms. eformstudio® utilises a drag and drop and properties driven, interface utilising the power of Visual Studio.NET but requiring no programming experience.

http://www.formfill.co.uk/reference/eformstudio_2_pager.pdf