http://www.nongnu.org/mp3player/
有mpg321~
Emms的.emms - Emacs multimedia system
http://savannah.gnu.org/cgi-bin/viewcvs/emms/emms/
GNUscape navigator - Web browser that runs under GNU Emacs
下載地址ftp://ftp.xemacs.org/pub/xemacs/emacs-w3/w3.tar.gz
詳細資料:http://www.cs.indiana.edu/elisp/w3/