Populus replacement for Mac?

[Tom Chappell]

In article <ethan+-2410960853370001 at falcon.bio.pitt.edu>, ethan+ at pitt.edu
(Ethan Benatan) wrote:

>Greetings, and thanks very much to all those who helped with my last
>question (finding Strider 1.0).  
>
>I've been asked to find a Populus replacement for the Mac.  Can you help
>with any suggestions?  Here's what I know so far:
>
>Populus is a free program for DOS and Windows, available at
><ftp://ecology.ecology.umn.edu/pub/populus/>.  It is used for population
>modelling and I-don't-know-what-else; I don't have a PC to run it on. 
>
>On the Mac, I've looked at Madonna and like it a lot; it's a general
>modelling program for the Mac, available at
><http://www.kagi.com/authors/madonna/default.html>.  A free version is
>available; the identical but PPC-native version is commercial. 
>Stella <http://www.hps-inc.com/> is a good, but expensive and complex,
>general systems-modelling program.   I'd like to know what else is out
>there before I make a final recommendation.
>
>Thanks a lot,
>
>Ethan
>_____________
>Ethan Benatan
>ethan+ at pitt.edu                           http://www.pitt.edu/~ethan

You might want to look at vensim.

http://www.std.com/

Standard disclaimer, have played around with the program abit.