Provide REST access to jack rabbit.
Use following article from jack rabbit guru:
It's also good idea to take a look at: http://sling.apache.org. It works perfectly, but I didn't like it because wan't able to reconfigure it to use external jack rabbit installation.. Maybe another day.
For those who need to access Jack Rabbit from .NET, I may suggest excellent WebDav Client Library for .NET from http://www.webdavsystem.com/client