This is a the first list of references that comes to mind -- it is not meant to be complete or even representative :-)

 

General links: fundamentals, conferences, architectures, workshops, companies, etc.

Papers and links on Artificial Life:

 

Simulations:

Autonomous Agents Conference:

 

(There are many others but this is the largest one.)

 

Couple of projects related to "organic software":

Computation in Physical and Biological Systems

Robustness

Agents Mailing Lists: