Yorick Home Page: ftp://ftp-icf.llnl.gov/pub/Yorick/yorick-ad.html
Yorick Archive Site: ftp://sunsite.unc.edu/pub/Linux/apps/math/matrix/yorick-1.4.src.tar.gz
Linux Software for Scientists (and Curious Layfolk): http://www-ocean.tamu.edu/~baum/linuxlist.html
Scientific Applications under Linux: http://SAL.KachineTech.COM/