VOS is the successor to the ADR project. Version 0.11 has been released at http://interreality.org.
VOS (MOS/ADR succesor) 0.10.1 has been released at http://interreality.org
VIrtual Object System version 0.7 has been released at <a href="http://interreality.org">interreality.org</a>.
VOS 0.1 has been released at http://www.interreality.org
VOS/S3 is a redesign of the old MOS, implemented in C++ rather than Java. The old Java MOS here at Sourceforge is no longer active, please see the new site for information about VOS/S3.
MIM (MOS Instant Messager) has been released for testing. MIM is a distributed, secure (fully authenticated and encrypted) instant messaging system based on the Meta Object System (MOS) and is part of the Amherst Distributed Reality project. http://signl.cs.umass.edu/adr