Golly Game of Life
I remember playing around with xlife and thinking it was a pretty good implementation of Conway’s cellular automata, but it’s got absolutely nothing on Golly, a stupendously fast version. Using hashing, it can run patterns for 1060 steps in just a few seconds. Amazing.
I recall burning three or four weeks of a sabbatical getting Saccade.com on the air with Wordpress. So much tweaking…