Hello, Prakash.
To answer your questions, UltiDev Cassini source is not free - only binaries are.
Although we have not ran WSE 2.0 tests, we are pretty sure our Cassini should support it fine because WSE 2.0 is not relying on any particular web server and unlike WSE 3.0 cannot deal with HTTP protocol directly. Also, Visual Studio 2005 Cassini-like internal web server should support WSE 2.0 as well. WSE 3.0 - could be a different story. WSE 3.0 is less likely to be supported by Cassini, but we didn't test that either.
Prakash, could you please share what was the issue causing Mutex problem and how you have resolved it? Someone else in the community may benefit from your knowledge.
Best regards,
UltiDev Team.
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