XMLSysInfo (XSI) is a system monitoring daemon that replies to network queries with XML-encoded system information and statistics. Its purpose is to provide a comprehensive overview of a system's various components, their health, resources, load, and many other things. It does so equally on all supported platforms. This data can then be analyzed, graphed or otherwise presented by a front-end, or put to any other imaginable use. XMLSysInfo is BSD-licensed and free for anyone to use for any purpose.