"SymbolicWeb is a GUI or widget server-centric framework for developing web applications. It is written in Common Lisp. SymbolicWeb is free software licensed under the AGPLv3 + GPL linking exception..." (source wikipedia) -- via Lisp, GUI and Web (and Comet)

"Lisp is a uniquely powerful programming language that, despite its academic reputation, is actually very practical. Land of Lisp brings the language into the real world, teaching Lisp by showing you how to write several complete Lisp-based games, including a text adventure, an evolution simulation, and a robot battle.

"A fourth (online-only) edition is available since Apr 2009." -- via community.schemewiki.org

"The purpose of the European Lisp Symposium is to provide a forum for the discussion of all aspects of the design, implementation and application of any of the Lisp dialects. We encourage everyone interested in Lisp to participate..."

"Common Lisp: First Contact is an easy to read introduction to Lisp. The goal is to make you familiar with Lisp syntax and with how Lisp works. Nothing more than a basic understanding of computing is required..."

"...Sketchy LISP presents an overview of the Scheme programming language with strong emphasis on functional programming. Language elements and programming techniques are explained by means of simple examples which are used to form more complex programs..." --

This is a good opportunity to learn Lisp and french at the same time :) => Principes d'implantation de Scheme et Lisp

"There has been a new wave of interest in Common Lisp over the last few years. This paper is a November, 2007 survey of Common Lisp implementations that are currently being actively maintained. It also provides references to writings about why Lisp is interesting and important, Lisp textbooks, and useful Lisp resources including repositories of available libraries. I hope it will help you find the right implementation for your project or product..."

"After years of sitting in storage, my deadbeat ex-housemate’s old Symbolics XL1200 Lisp Machine has found a new home: HackLabTO, located in Accordion City’s Kensington Market neighbourhood.