The Guide to Available Mathematical Software is a cross-index and
virtual repository of mathematical software components for use in
computational science research.
R. Boisvert, B. Miller, M. McClain
Customers: More than 10,000 users per month, including multiple users at IBM, Texas Instruments, Hewlett-Packard, Boeing, Dupont, Lockheed, Chevron, Xerox, TRW, Slumberger, Sun, Rockwell, Eli Lilly, etc.