Emergence: Complexity and Organization
http://emergence.org/

Complexity Digest
http://www.comdig.com/index.php

Modeling and Simulation Magazine
http://www.modelingandsimulation.org/

Complicity - an International Journal of Complexity and Education
http://www.complexityandeducation.ualberta.ca/journal.htm

Complexity International
http://journal-ci.csse.monash.edu.au/

Journal of Artificial Societies and Social Simulation
http://jasss.soc.surrey.ac.uk/JASSS.html

Chaos: An Interdisciplinary Journal of Non Linear Science
http://scitation.aip.org/chaos/

Complex Systems - Abstracts Only
http://www.complex-systems.com/

Cybernetics and Human Knowing
http://www.imprint.co.uk/C&HK/cyber.htm

Interdisciplinary Description of Complex Systems - INDECS
http://indecs.znanost.org/

International Journal of Chaos Theory and Applications
http://neurolab.ing.unirc.it/chaos/index.htm

Journal of Complexity - Elsevier
http://www.elsevier.com/wps/find/journaldescription.cws_home/622865/description#description

Computational Complexity - Springer
http://www.springer.com/west/home/computer/computer+journals?SGWID=4-40100-70-1176553-0

Journal for Artificial Intelligence Research
http://www.jair.org/