Information Theory

Algorithmic Information Theory
Open problems and links to software.
http://www.cs.auckland.ac.nz/CDMTCS/docs/ait.html

Basics of Information Theory
A brief introduction to information theory by David S. Touretzky of Carnegie Mellon University.
http://www.cs.cmu.edu/~dst/Tutorials/Info-Theory/

Biosemiotics
A comprehensive site dedicated to biosemiotics, an interdisciplinary science that studies communication and signification in living systems.
http://www.gypsymoth.ento.vt.edu/~sharov/biosem/welcome.html

The Classic Definition of Information
From the Web Dictionary of Cybernetics and Systems.
http://pespmc1.vub.ac.be/ASC/INFORMATION.html

A Discipline Independent Definition of Information
An article about some sides of Information Theory written by Robert M. Losee. Also there is link to pdf-version of article.
http://www.ils.unc.edu/~losee/b5/book5.html

Entropy on the World Wide Web
A collection of links to on-line expository articles on entropy and theory of information, maintained by Roland Gunesch (University of Hamburg).
http://www.math.uni-hamburg.de/home/gunesch/entropy.html

Information Theory and music
An article about Information Theory and music. Definition of Information Theory, Probability, Markov Chains.
http://www.music-cog.ohio-state.edu/Music829D/Notes/Infotheory.html

Information Theory Resources
Small collection of links about Information Theory and Claude Shannon.
http://www-lmmb.ncifcrf.gov/~toms/itresources.html

Introduction To Algorithmic Information Theory
An introduction to the synthesis of computation and information theory by Nick Szabo.
http://szabo.best.vwh.net/kolmogorov.html

Linear Complexity: A Literature Survey
The linear complexity (LC) of a sequence is the size in bits of the shortest linear feedback shift register (LFSR) which can produce that sequence. The measure speaks to the difficulty of generating, and perhaps analyzing, a particular sequence.
http://www.ciphersbyritter.com/RES/LINCOMPL.HTM

Organs of Computation
A Talk With Steven Pinker.
http://www.edge.org/documents/archive/edge3.html

Self-Organizing Systems (SOS) FAQ
Includes a very extensive catalog of links on SOS.
http://www.calresco.org/sos/sosfaq.htm

A Short Course in Information Theory
Eight lectures on information theory by David MacKay.
http://www.inference.phy.cam.ac.uk/mackay/info-theory/course.html