Other Webservers
From GregariusWiki
Besides Apache, Gregarius has also also been made to run on other webservers. Usually, the main issue involves turning Configuration#rss.config.modrewrite off.
[edit] Lighttpd + FastCGI
There are reports of successful installation of version 0.5.2 using lighttpd + FastCGI. You'll want to look at this post to correctly configure PHP.
[edit] Abyss Webserver
See http://forums.gregarius.net/comments.php?DiscussionID=88&page=1#Item_0
[edit] IIS
Gregarius also been reported to run on IIS.

