MsgCourier (Message Courier) http://www.msgcourier.com/ 1. A cross-platform, open source, messaging infrastructure and distributed software development tool that enables applications to communicate with one another on the same machine or across a network. 2. A priority based, secure and efficient messaging transport and routing system which frees application from having to focus on lower level communication methods. 3. A message queuing product which offers guaranteed message delivery even when applications become temporally unavailable due to network or application failures. MsgCourier offers a rich set of features, allowing you to pick and choose the features that are important to your particular application. Designed to simplify the creation of distributed computing applications * MsgCourier offers several models of communication allowing applications rewritten in any computer language to communicate with one another, locally and over the Internet. * MsgCourier is extensible using a native plugin architecture. * A MsgCourier can be extended using the built-in Tcl scripting language and custom MsgCourier extensions freeing the developer from having to build native C/C++ modules. * Applications can communicate without establishing a direct communication link. Message based * All communication is in the form of one or more messages. * Support for priority based message processing. * Support for Synchronous and Asynchronous Communication. Designed to deliver high performance and reliability * MsgCourier is designed to deliver high performance and reliability while dramatically simplifying the effort of building distributed applications. * Messages are delivered if recipient is active, or message is stored until recipient becomes available. * Undeliverable messages are stored for auditing, or later delivery. * Supports message journaling to record communication activities. Audits and recovers messages in applications by retaining copies of messages that arrive in a queue. * Offers services that notify the sender on successful receipt of the messages. Secure * Supports industrial strength encryption. * Support asymmetric (Public/Private key) and symmetric (AES Rijndael) encryption. P2P routing and clustering * Message Servers are capable of clustering and self organization. * Message Servers are able to communicate with one another to exchange and route messages. <>Interprocess Communication