There are some outstanding open source .NET libraries that blow away what you can get in Java. Likewise, some COTS .NET libraries blow away equivalent Java lib

There are some outstanding open source .NET libraries that blow away what you can get in Java. Likewise, some COTS .NET libraries blow away equivalent Java libraries (e.g., for unit testing and inversion of control, query-driven source code analysis, etc.). But comparing .NET to anything other than Mono is apples to oranges.