Microsoft Robotics Developer Studio 4 Beta 4.0.261.0 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. DssHost32.exe is the common file name to indicate this program's installer. The following versions: 4.0 and 2.3 are the most frequently downloaded ones by the program users. This free program is a product of Microsoft. Microsoft Robotics Developer Studio 4 Beta lies within Development Tools, more precisely IDE.
From the developer:
Microsoft Robotics Developer Studio 4 Beta provides a wide range of support to help make it easy to develop robot applications.RDS4 beta 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.
You may want to check out more software, such as Prithvi Development Studio, Interbase/Firebird Development Studio or Microsoft® UDDI.NET SDK Beta, which might be similar to Microsoft Robotics Developer Studio 4 Beta.