Papers and other documents by Abdiel Caceres Gonzalez related with computability in normal evolutions of cellular automata, in particular with evolution rule 110, some studies about entropy and tiling with software for mac os X.
A Windows application that can simulate and analyze various one-dimensional and two-dimensional cellular automata, part of the Cellular Automata and Electric Power project lead by Dr. Rudy Rucker.
A cellular automata tutorial that covers the structure, behaviour and some applications of CA and offers a philosophical background as well; by Alexander Schatten.