TACO is a toolkit for building distributed control systems or any other distributed system. It is based on a C/C++ core. It is based on the client-server model. It supports writing clients and server on Unix+Windows. Clients and servers can be written in
omniEvents is an implementation of the OMG Event Services Specification v1.1 for omniORB, a CORBA Object Request Broker for C++ and Python.
Massively multiplayer distributed persistent online game middleware.
AlchemySOAP is a C++ SOAP 1.1/1.2 protocol stack, licensed under the LGPL. It is fast, standards compliant, includes many automated unit/interop tests and other notable features (optional SSL and DOM support, etc.). AlchemySOAP is a fork of the EasySoap+
A collection of projects based on the Virtual Object System (VOS) platform. The goal of Interreality is to develop a free and open platform for multiuser 3D virtual reality and interactive, collaborative 3D virtual spaces, as well as other applications.
omniifr is an Interface Repository for omniORB, a CORBA Object Request Broker for C++ and Python. The CORBA Interface Repository stores information about the types and interfaces used in a CORBA system, so they may be queried dynamically at run-time.
Framework for software component integration, interoperability and adoptability through a XML based vocabulary: Software Component Integration Mark-up Language (SCIML)
XmlRpc++ is an implementation of the XmlRpc protocol written in C++, based upon Shilad Sen's excellent py-xmlrpc library. It is designed to make it easy to incorporate XmlRpc client+server support into C++ applications and requires no other libraries.
BlueRock is the solution for heterogeneous platform and systems interconnection, leveraging existing protocols like WebServices, CORBA and RMI around a robust, managed messaging Bus.