PigIron is an open source Java class library which implements the client side of the IBM z/VM Virtual Machine Operating System Systems Management Application Programming Interface (VSMAPI). PigIron is not associated with the IBM corporation.
zpm(c) is a Java client cooperating with database tables created by zpmd (z/VM Performance Monitor Daemon) software. It presents system usage and actual events.
A really low footprint (< 10 Kb) Java VM and replacement firmware for the Lego Mindstorms RCX microcontroller, which is part of Lego's Robotics Invention System. TinyVM is the progenitor of <a href="http://lejos.sourceforge.net">leJOS</a>.