Last update=10 July, 2001

• Brendan McKay's graph isomorphism program nauty runs in unix-like environments.
• Gordon Royle's Combinatorial Data page contains graphs, designs, projective planes, etc.
• Visit the web site for Don Kreher's and Doug Stinson's Combinatorial Algorithms website, or Don Kreher's design building toolkit site.
• Xah Lee's Home Page -- Geometry, Symmetry, Curves, etc.
• Check out the VEGA project at the University of Ljubljana in Slovenia.
• The Geometry Center at the University of Minnesota.
• The Combinatorics Net