And here's a list of different web server resources: http://www.cl-user.net/asp/tags/web-servers
Portable AllegroServe: Lisp Webserver (with Webactions Session control) http://sourceforge.net/projects/portableaserve/
ASDF: Another System Definition Facility http://www.cliki.net/asdf
CLSQL: Database interface Library http://www.cliki.net/CLSQL
UFFI: Universal Foreign Function Interface http://www.cliki.net/UFFI
And here's a list of different web server resources: http://www.cl-user.net/asp/tags/web-servers