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.
Arylon is a lisp-based game engine for rapid prototying and development of tilebased/bitmapped games.
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.
This project is a "meta" control for the MAXIMA symbolic math program. MAXIMA is a text-based math program that has a linear structure: each statement building on the previous one. MetaMax gives a overview and branching structure to your investigation.
Roboverse from MIT ML