This article by Saminda Abeyruwan provides the concepts, semantics, and an inside view of the WSO2 Admin UI Framework. The Admin UI Framework consists of a UI Processor and a Javascript/AJAX library. The UI Processor is used to generate pages, and the Javascript/AJAX library is used to communicate with the servers using Web services standards. The WSO2 Admin UI framework is used in the WSO2 Web Services Application Server, WSO2 Enterprise Service Bus, and WSO2 Mashup Server.