LAZlife is an early (B&W) game of life simulation that offers a couple settings to play with.  You can set the simulation speed, resolution (very high resolution can be achieved) and the shape of the life bits.  

Life and Death is a computer game published in 1988 by The Software Toolworks. It is one of the few realistic medical computer games ever released. In the role of a resident abdominal surgeon at fictional hospital...

A colored version of John Conway's Game of Life with a few improvements over  older versions. The new cells are displayed in green, the rules for birth and death can be changed, and the board wraps around the screen's borders.

LifeMaker is a cellular automata program for color Macs. Cellular automata (CA) can be thought of as mini-universes. The universe starts at some initial state and evolves according to a simple local rule. ConwayUs Game of Life is by far the best...