phpgroupware

Have a look at these:

"
We have a new website that uses our own sitemgr program. This is only the 
initial roll out and we are planning to make the already wonderful sitemgr 
more powerful and feature rich as time goes on. Watch your back postnuke :-p
"

This is the new site of phpgroupware.. http://www.phpgroupware.org

What about to try to find a collaboration with the phpgroupware team??

Cino