Andrew Trevorrow
OzTeX
PaidTeX system often used for typesetting mathematics
Mac
Golly
FreeSimulator for Conway's game of life.
Mac
Alchemy
PaidFinds word ladders and creates word lists
MacGolly
FreeGolly is an open source, cross-platform application for exploring Conway's Game of Life and many other types of cellular automata.
Android
Golly
FreeExplore Conway's Game of Life and many other types of cellular automata.
iOS
