A java demon that exposes shell/groovy/ruby/jython scripts (and other content) via JMX and RMI. Could be applied in environments with distributed applications where all kinds of applications need be started, stopped, monitored, installed etc.
java-based complete Agent (Artificial Intelligence) Framework with all the features you might expect in an Agent Framework: Mobility, Autonomy, Distributed communication, Agents can be written in Java, Jython, or Beanshell.