Tammi is a Java component based development framework and run-time container for applications supporting Web browsers, mobile terminals and/or Swing-based user interfaces. Tammi application components can implement independent business logic themselves or act as proxies to native libraries, remote programs, and other kinds of manageable systems.

Tammi is a JMX-based Java application development framework and run-time container providing a service architecture for J2EE server side Internet applications that are accessible from any device that supports HTTP including mobile handsets.