Common Lisp compiler and runtime
A high performance Common Lisp compiler. In addition to standard ANSI Common Lisp, it provides an interactive environment including an a debugger, a statistical profiler, a code coverage tool, and many other extensions.
Readable Lisp/S-expressions with infix, functions, and indentation
This project is dedicated to developing more readable format(s) for Lisp-based languages (such as Common Lisp and Scheme) and implementing those formats (readers, pretty-printers, editor macros, etc.). MIT license preferred, to spread them widely.
Arylon is a lisp-based game engine for rapid prototying and development of tilebased/bitmapped games.
This is Richard C. Waters' SERIES package for Common Lisp. In a nutshell: Think "Efficient MAPCAR" SERIES translates functional-style expressions into efficient loops. Series are to loops as control structures are to GOTOs.
An Arc interpreter implemented in Java. Arc is a dialect of Lisp.
Lisp caching system based on Python Beaker
CLAIM is an AIM chat client library for Common Lisp (using AIM's TOC protocol).
CL-FMOD is a set of common lisp bindings to the fmod sound library. The bindings are completely written in lisp, with the help of the UFFI common lisp library for portability.
Common Lisp bindings to the SDL library, OpenGL, and more.
clg is an interface to the GTK+ graphical toolkit for the CMUCL, SBCL and CLISP implementations of Common Lisp.
An implementation of the MIT Lisp Machine microcode in C.
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.
a tool to perform symbolic math calculations
A Common Lisp starter kit for developing RoboCup clients.
Basic portable library of Common Lisp code
SchemeSnippets is a package containing various scheme functions, that can be integrated with your applications.