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

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/

Information Theory
- Site promotes activities in the areas of information and communications theory in Australia. Information about conferences and other such stuff.
- http://www.informationtheory.net/

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

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

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

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

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

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

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

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

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

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