"Microsoft is rolling out a free version of its R big-data analytics server for developers alongside the rest of the newly rebranded Revolution Analytics servers."
Microsoft’s Revolution Analytics buy pays off, Linux-based R Server launched • The Register
"The Microsoft R Server can be installed on-premises or on the Azure cloud platform. It will be integrated into Azure's HDInsight (Hadoop on Azure) and the Azure Machine Learning analytics suite. R Tools for Visual Studio will support developing R solutions."
R Server | Microsoft
"Use the powerful, statistical programming language—R—in an enterprise-class, big data analytics platform. Microsoft R Server is your flexible choice for analyzing data at scale, building intelligent apps, and discovering valuable insights across your business."