Steel Bank Common Lisp is a common Lisp native compiler.
Common Lisp Game Engine
CLFSWM is yet A(nother) Common Lisp FullScreen Window Manager.
CL-Yacc is a LALR(1) parser generator for Common Lisp, similar in spirit to AT&T Yacc, Berkeley Yacc, GNU Bison, Zebu, etc.
Common Lisp Reasoner aims to create a practical technology that exploits the synergy between its three major components.
Albert is a Common Lisp doc-generator, comparable to Javadoc and Doxygen.
CMU Common Lisp is a common Lisp compiler and runtime
Shelisp is a very short program that provides mechanisms for composing and running Unix shell.