A free and portable Common Lisp Webserver.
Portable AllegroServe is a variant of AllegroServe(tm) with an explicit emphasis on portability between Lispsystems and Operating Systems. You can find the original AllegroServe at https://github.com/franzinc/aserve
The best way to install Portable AllegroServe is through Quicklisp (http://quicklisp.org/). (The best way to install any Lisp library is through Quicklisp.)
AllegroServe is a web server developed for use with Allegro Common Lisp. Supporting the HTTP 0.9, 1.0, and 1.1 protocols, it can serve dynamic pages using an HTML generator facility.