<A target="_blank" href="http://www.channelregister.co.uk/2010/12/20/microsoft_betas_google_mapreduce_competitor/">While Microsoft is contributing to open source, they're also developing</A> a proprietary answer to Hadoop and Google's MapReduce. The Dryad platform, with the DryadLINQ programming language, uses .NET's LINQ query language model to crunch data across a distributed network.