This document provides an overview of Red Hat JBoss A-MQ 6.1 and its client APIs. It discusses how A-MQ is a high-performance and flexible messaging platform. It also covers the various client connectivity options including different transports, protocols, and client APIs for Java, C, C++ and .NET. The document demonstrates connecting to A-MQ brokers using the native JMS, .NET and AMQP clients through code examples and screenshots.