ORBexpress ST for Java is a compact object request broker (ORB) for CORBA. It is faster and smaller than the standard Sun JDK ORB. Versions are also available for C/C++ and Ada. They deliver a middleware infrastructure that provides seamless communication between remote processes. ORBexpress ST for Java, developed by Objective Interface Systems, is royalty-free and licensed on a per-developer basis.
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