<Li> JBoss Application Server--Application server </Li> <Li> ObjectWeb JOnAS--Java Open Application Server, a J2EE application server </Li> <Li> TAO (software)--C++ implementation of the OMG's CORBA standard </Li> <Li> Enduro / X--C / C++ middleware platform based on X / Open group's XATMI and XA standards </Li>

​which protocol analyzer below is an open source and freely downloadable utility