ClearLisp is a Common Lisp interpreter written in C# with a large library including all of .NET and an extensive object model. Supports IIS and XSP or Apache with mono. Includes sample code of a personal, file based wiki web application.
The Lavlet HTTP server and Lisp Server Pages engine is a complete ANSI Common Lisp web server and dynamic pages engine for Lisp modeled after JSP/Servlet/Tomcat and ASP/IIS.
Etiquette is an interaction protocols construction tool. Etiuqette allows to describe communication in high-level and textually condensed fashion. Built-in support for debugging and error-handling policies is provided. Etiquette is written in Common Lisp.
XLSP is a lisp based dynamic XML management facility. It is currently usable with Allegro CL and LispWorks implementations. It's implementation is in two parts: XMLP for general XML processing, and XLSP for managing interactions with web servers.