Center for Complex Systems Research, University of Illinois at Urbana Champaign
Research group which studies phenomena of multivariante systems with a large flow, such as turbulence, lightenings, and information flow on the internet.

Center for Complex Systems & Brain Sciences, Florida University
. Multidisciplinary since its inception, the Center involves the cooperative efforts of neuroscientists, psychologists, mathematicians, physicists, computer scientists, and engineers.Founded in 1985

NESCI
New England Complex Systems Institute

Group of Nonlinear Dynamics and Synergetics, Slovenia
Applications to the cardiovascular system

Santa Fe Institute
Private, non-profit, multidisciplinary research and education center. New kind of scientific research community, pursuing emerging science.

Center for the Study of Complex Systems, Michigan
seminars, workshops, education and research

Complexity On-line
Charles Sturt University, Australia Complexity On-line is a scientific information network about complex systems. You will find access to sites, publications (including the Complexity On-line Journal ) and other sources of interest.

VCU Complexity Research Group, Virginia
Influenced by the works of Robert Rosen* in theoretical biology, systems science and epistemology. .. Constructivism as a refreshing alternative

The Center for Connected Learning and Computer-Based Modeling
Connected Mathematics: Making Sense of Complex Phenomena Through Building Object-Based Parallel Models

UCL Centre for Nonlinear Dynamics, London
research in the theory of nonlinear dynamics and its applications across science and engineering

Nonlinear and Complex Systems Lab. Korea
Resources on Nonlinear Dynamics and Complex Systems NCSL,

Complex Systems in Argentina, Buenos AIRES
Applications to economics, Links to other universities and resources

Centre for Policy Modelling, Manchester Metropolitan University, UK
"Simplicity is no reason, difficulty is no excuse." Publishers of the Journal of Memetics

Complex Systems Modeling, LANL, USA
The study of the dynamics of networks of agents at a US national laboratory.

Complex Systems, Macedonia, Greece
description of courses, topics, links...

CSCO - Complex Systems Computation Group, Finland
Computational study of collection of simple interacting agents, ...

Statistical Mechanics & Complex Systems, Texas, USA
E-prints and tutorials in chaos physics and other topics.

Complex Systems goroup at Academy of Finland
complex system is a collective consisting of a large number of individual components that interact in a strongly nonlinear fashion

Glushkov Cybernetic Centre, Kiev, Ukraine
GMDH for prediction, optimization, clustering, data mining ...

Complexity Research Programme
At the London School of Economics, UK.

Center for Nonlinear Studies
Group studying fundamentals and applications of nonlinear phenomena and complex systems. Located at Los Alamos National Laboratory.

Duke Center for Nonlinear and Complex Systems
Interdisciplinary research at Duke University on nonlinear dynamics and emergent phenomona in complex systems.

Instituto Gulbenkian de Ciencia - Portugal
Development and evolution of complex systems in an organism centered approach.

Center for Nonlinear and Complex Systems - [Como, Italy
Classical and quantum dynamical systems.

Self-Organizing Systems
Tutorial on processes and patterns of organization and complexity in natural systems: complex adaptive systems, criticality, the edge of chaos. By Ethan Decker, University of New Mexico.

The Plexus Institute
Application of Complex Systems to health care. Bibliography, news.

Centre For Nonlinear Studies
(UK) University of Leeds, Meetings, publications.

Complexity Lab
At the Niels Bohr Institute and the Danish Technical University. Working on biophysics, turbulence, self-organised criticality and other complex systems.

Complex Systems Research Center at New Hampshire, USA
Part of Institute for the Study of Earth, Oceans, and Space (EOS), investigates the effects of human disturbance on the Earth's biogeochemical processes. Part of Geo-Web ring.

Genomelink Research Institute
Uses nonlinear dynamics and chaos to develop models and methods with special interest in studying numerical uncertainties. Applications include creating advanced algorithms for economics, microbiology, and quantum mechanics. Includes a list of research projects, news and volunteer information.

Complex Systems and Networks
CSN is a self-organized network of people spanning various academic units at Indiana University, interested in the broad areas of complex systems, network science, modeling, simulation, artificial life, and visualization.