Interactive, collaborative Wiki dedicated to Common Lisp. Large amount of diverse information.

Web application server to embed in Common Lisp programs. [Open Source, LGPL]

Web server coded in Common Lisp; supports HTTP/1.1 chunking, persistent connections (keep-alive), and SSL; works only with LispWorks.

A portable Perl-compatible regular expressions for Common Lisp. [Open source, BSD-style license]

An open source implementation of the Common Lisp Interface Manager, a portable and standardized library for constructing user interfaces.

Interactive Network Editor and Graphical Database.

GDL Application Development System, dynamic Knowledge Base Language and Development Environment; Generative Web Language (GWL), an integrated web-based user interface platform, for rapid development and deployment of dynamic webserver-based apps. ANSI...

A project to package and easily distribute Lisp software. It is loosely modelled after the ideas behind CPAN, for Perl.

A .NET layer for Common Lisp. Lets CL programs interact with .NET libraries. Open source, BSD-like license.

mod_lisp is an Apache plugin which lets apache send requests to a lisp process to generate dynamic content. Think of it as java server pages for lisp. cl-pdf is a library to create files in Portable Document Format from Common Lisp.