<div dir="ltr">Thought I saw some discussion of this a while back. Just a few links:<div><br></div><div><a href="http://www.opencroquet.org/">http://www.opencroquet.org/</a> which begat<br></div><div><a href="http://www.opencobalt.org/home">http://www.opencobalt.org/home</a> and<br>
</div><div><a href="http://code.google.com/p/openqwaq/">http://code.google.com/p/openqwaq/</a> which is the uncle? of<br></div><div><a href="http://virtualworldframework.com/">http://virtualworldframework.com/</a><br></div>
<div><br></div><div style>Nikolay Suslov also had a very nice version which I don't have a link for right now.</div><div><br></div></div>