Basics of Information Theory: A brief introduction to information theory by David S. Touretzky of Carnegie Mellon University.
Biosemiotics: A comprehensive site dedicated to biosemiotics, an interdisciplinary science that studies communication and signification in living systems.
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).
Information Theory: A basic introduction and history of information theory from Bell Labs.
Information Theory: Site promotes activities in the areas of information and communications theory in Australia. Information about conferences and other such stuff.
Information Theory and music: An article about Information Theory and music. Definition of Information Theory, Probability, Markov Chains.
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.