Scarab: Lightweight Distributed Objects
A lightweight scheme for representing distributed objects providing both a compact binary protocol as well as XML-based serialization. Used as part of the Casbah project. MTS vs EJB by Gopalan Suresh Raj
A comparison of Enterprise JavaBeans (EJB) and The Microsoft Transaction Server (MTS) models. By Gopalan Suresh Raj. GnuStep
An implementation of distributed objects written for GNU Objective C. It is similar to NeXTstep's Distributed Objects system.