Jazzmaster is an application framework developed by Eiichiro Uchiumi (Eiichiro.org) and can be performed on JDK 5 or later Java platform. Using Jazzmaster framework, you can construct the application from the small one which is processed on a command line to the large one like enterprise application on the paradigm of SOA (Service-Oriented Architecture). The application which is built by composing the immediately-modularized services on the Jazzmaster framework certainly improves the flexibility of changeability and the development agility, according to becoming if the scale grows.