AI Topics - Introductory resources concerning artificial intelligence and its many dimensions. - http://www.aaai.org/AITopics/
CMU Artificial Intelligence Repository - Free software and materials of general interest to AI researchers, educators, students, and practitioners. - http://www.cs.cmu.edu/afs/cs.cmu.edu/project/ai-repository/ai/0.html
List of AI-related FAQs - AI-related FAQs - http://www.cs.cmu.edu/Groups/AI/html/faqs/top.html
PC AI - an enormous amount of resources pertaining to AI - http://www.pcai.com/
Artilect - Articles and resources on artificial intelligence, physics and neuroscience research. - http://artilect.org/
Artificial Intelligence Depot - Community discussions, regular tutorials, daily news, and a searchable knowledge base. - http://ai-depot.com/
Cognitive Systems - Resources on Integrated and Hybrid Intelligent Systems, maintained at Iowa State University. - http://www.cs.iastate.edu/~honavar/hybrid-ai.html
AI Links - Resources in Adaptive Behavior, Reinforcement Learning, Computational Evolution, Natural Evolution, AI in general and Conferences. Maintained by Mark Humphreys, Dublin City University. - http://www.compapp.dcu.ie/~humphrys/ai.links.html
Artificial Brains - Articles on artificially intelligent hardware, organized to give topical overviews. - http://artificialbrains.com/
About AI - Examine the history, uses and consequences of Artificial Intelligence. Beginners can learn the basics here while researchers can access extensive technical resources. - http://www.aboutai.net/
Premise.org - AI Links - Premise.org, an artificial intelligence link site with examples. - http://www.premise.org
Kurzweil Accelerating Intelligence Network - KurzweilAI.net explores trends in emerging technologies in the 21st century. Also, it attempts to showcase leading technologies in AI and related fields. - http://www.kurzweilai.net
Open AI - The OpenAI site is centered around an Open Source project and community involving artificial intelligence. The term "Open Source" means that the source code for the project is available for free and can be used by others free of charge. - http://openai.sourceforge.net/
AI from TAU - Extensive Artificial Intelligence links index from Tel-Aviv University, Israel. Created & maintained by Yossi Mamroud, TAU's Philosophy Department. - http://www.tau.ac.il/humanities/philos/ai/links.html
CompInfo - A comprehensive knowledge base, current news, events, publications, manufacturer links, and support links. - http://www.compinfo-center.com/tpai-t.htm
Generation5.org - Essays, interviews and original programs, code, and news bulletins. - http://www.generation5.org/
Context in AI - A contact point on the Web for researchers who are interested in the many roles of context in artificial intelligence. - http://context.umcs.maine.edu/
The Loebner Prize - Site of the annual Turing Test contest. - http://www.loebner.net/Prizef/loebner-prize.html
Ai on the Web - Lots and lots of pointers to AI resources: intelligent agents, search and game playing, logic and knowledge representation, planning, reasoning with uncertainty, machine learning, natural language processing, perception and robotics, philosophy and the fu - http://www.cs.berkeley.edu/~russell/ai.html
Processor Performance - Performance and evaluation of processors, assembly programming, and unlimited shareware. - http://www.intelligentfirm.com/
Bibliographies on Artificial Intelligence - Part of the Collection of Computer Science Bibliographies, is searchable and browseable. - http://liinwww.ira.uka.de/bibliography/Ai/