Nonlinear Science Group
- Research group on nonlinear dynamics and chaos at the George Mason University, U.S. Includes publications, activities and contact information.
- http://complex.gmu.edu/

Quatuor
- Discusses the order of deterministic chaos. Includes pictures and background about fractal dimensions.
- http://perso.numericable.fr/~cricordeau41/quatuor/home.htm

Online Chaos Course
- Interactive, nontechnical introduction to chaos physics and chaotic motion in classical and quantum mechanics.
- http://order.ph.utexas.edu/chaos/

Chaos Demonstrations
- Introductory course on chaos from the California Institute of Technology, adressing basics, Lorenz attractor and Chua's Circuit. Includes program source code and bibliography.
- http://www.cmp.caltech.edu/~mcc/chaos_new/Chaos_demos.html

Wikipedia: Chaos Theory
- Free encyclopedia article describing the basics of the theory. Addresses mathematical, physical and historical aspects.
- http://en.wikipedia.org/wiki/Chaos_theory

An Introduction to Lindenmayer Systems
- Discusses the modeling of fractal plants with L-systems. Includes theoretical background, references and code.
- http://www.biologie.uni-hamburg.de/b-online/e28_3/lsys.html

In the Wake of Chaos
- Short review of book exposing the actual philosophical implications of chaos theory.
- http://dannyreviews.com/h/Wake_of_Chaos.html

Chaos: A Pictorial Introduction
- Illustrates some essential features of the theory which have received media attention in recent years. Includes animated pictures.
- http://johnbanks.maths.latrobe.edu.au/chaos/

Yahoo Groups: Caostheory
- Discusses the theory and its applications in various fields, such as medicine, astronomy and art.
- http://groups.yahoo.com/group/caostheory/

The Chaos Hypertextbook
- Covering several aspects of the theory by topics, including nonlinear dynamics. Includes experiments for programmable calculators and definitions.
- http://hypertextbook.com/chaos/

The Macsin Research Group
- Research group concerned with various aspects of modeling, analysis and control of nonlinear and chaotic dynamics systems. Includes project and contact information.
- http://www.cpdee.ufmg.br/~MACSIN/

A Beginner's Guide to Chaos
- Covers the geometric and complex iterative framework by comparing chaos to randomness. Includes illustrations and programs.
- http://www.yiin.ca/chaos/

A Route into Chaos: The Logistic Equation
- Introduction to sequence related functions. Addresses basics, logistic equation and Lyapunov exponents. [English, German]
- http://library.thinkquest.org/C005375/start.html

Chaos Theory: A Brief Intro
- Brief introduction to the theory. Includes an essay describing fractional dimensions.
- http://www.imho.com/grae/chaos/

Society for Chaos Theory in Psychology and Life Sciences
- Brings together researchers, theoreticians and practitioners interested in applying dynamical systems theory. Includes membership information, publications, meetings, tutorials and other resources.
- http://www.societyforchaostheory.org/

Continued Fractions and Chaos
- Scientific paper exploring some results of the theory of chaotic dynamical systems. Includes abstract, proceeding and references.
- http://www.cecm.sfu.ca/organics/papers/corless/index.html

Chaos Research Group
- Interdisciplinary research group at the University of Tennessee concerned with deterministic nonlinear dynamic aspects. Includes overview, publications, bibliography, monographs, glossary and project information.
- http://www-chaos.engr.utk.edu/

Sci.nonlinear FAQ
- FAQs collection from the sci.nonlinear newsgroup. Addresses basics, tutorial, applications and computational resources.
- http://amath.colorado.edu/faculty/jdm/faq.html

Emergence of Chaos
- Demonstrates how chaos emerges following a change in a parameter. Includes mathematical formulations and diagrams.
- http://www.cut-the-knot.com/blue/chaos.html

CompLexicon
- Terminology glossary about complex systems and chaotic dynamics.
- http://www.exploratorium.edu/complexity/CompLexicon.html

Chaos: Making a New Science
- Excerpt from the bestseller that brought the forefront of research to public eye. Includes illustrations and links.
- http://www.around.com/chaos.html

Chaos at Maryland
- Research group at the University of Maryland. Includes papers, gallery, database, abstracts, software, bibliography and contact.
- http://www-chaos.umd.edu/