Microsoft Robotics Studio 2008 R3–Its Free
The Microsoft Robotics Developer Studio 2008 R3 (Microsoft RDS) is a Windows-based environment for academic, hobbyist, and commercial developers to easily create robotics applications across a wide variety of hardware. All previous editions of Microsoft RDS 2008 R2 (Express, Standard and Academic) have been combined into one new version, RDS 2008 R3 and can be downloaded at no charge.
The Microsoft CCR and DSS Toolkit 2008 R2 is no longer available as a standalone product and is now included for no charge with RDS 2008 R3.
RDS 2008 R3 includes a lightweight asynchronous services-oriented runtime, a set of visual authoring and simulation tools, as well as templates, tutorials, and sample code to help you get started.
So, all of those who are interested in Robotics development can make use of it