Software originally realised by the Grid research project Akogrimo (http:/www.mobilegrids.org) working on integrating network capabilities with Grid Middleware. Selected topics are Context Management, SIP/SOAP integration, Semantic workflows, ...
MonoQLE is a Queue Server, written in C#, intended to be a fast and reliable backend for the System.Messaging namespace's implementation in Project Mono.
A JMS provider and/or Indigo integration are also in the plans.