The UFFI package may be the only hope for supporting all the cltl ffi's out there. i think someone is working on a uffi implmenetation for clisp, too. http://uffi.b9.com/ > Lispworks comes from http://www.lispworks.com/, not too bad a GUI > interface for Lisp on Windows. > We use CLisp on Linux. > What Lisp are you using for Windows?/Linux? > THanks