Monkey HTTP Daemon is a small, powerful, and fast Web server written in C. Its 
features include language support, GET, POST, and HEAD methods, CGI, PHP4 , a 
config file (optional for every user), a mime.types file, virtual hosts, the 
ability to deny URLs and IPs, to run as a different user (such as nobody), 
serve users home directories, resume, and more.

WWW: http://monkeyd.sourceforge.net/