Set of tools and libs for managing structured data in a very flexible way: Imp./Exp. ASCII, XML, SQL, PS, Tex/LaTex, RTF GUI: X-Windows, MS-Windows Interface to C++, DBs, Perl, PHP, Java, TCP/IP LISP-like interpreter written in C++ using C-LIB
CL Slideshow aims to be a small and fast desktop program for viewing and managing image files (.gif .jpeg etc). The program itself is written in Common Lisp and uses Lisp2wish to manage the Tcl/Tk GUI for excellent cross-platform potential.
Common Lisp bindings to the SDL library, OpenGL, and more.
elmake is a way to provide makefiles for elisp packages (for emacs) which are processed completely in Elisp (no external autoconf, make etc. required). For info files, an external makeinfo is suggested, as elisp parsing of info files is slow.