Links for Chemists - maintained by the University of Liverpool and comprises the chemistry section of the WWW Virtual Library
chemistry.about.com - layman-oriented collection in the About Directory with helps on chemistry, science fair projects and maybe whatever is in the news
Links for Organic Chemistry - by the American Chemical Society’s Organic Division
Organic Chemistry Resources Worldwide - a collection directed at synthetic organic chemists
Rolf Claessen's Chemistry Index - An exhaustive site with many branches, uses and items of interest
entropysite.com - educational site maintained by Professor (Emeritus) Frank Lambert to foster a proper understanding of entropy as a dispersal of energy among available states, rather than the overplayed idea of disorder, largely through articles from the Journal of Chemical Education
Chemistry Guide - an excellent site to find a wide range of chemical information in the fields of organic chemistry, combinatorial chemistry, analytical chemistry, organometallic chemistry, inorganic chemistry, green chemistry, polymer chemistry, biochemistry and peptide chemistry
Chemical and Chemical Engineering: Extra Resources - quite a few interesting chemistry links by the MIT Libraries
Gateway to Spectroscopy - many articles and links about optical emission spectroscopy, but other kinds are included as well
History of Chemistry - much of it in the words of the scientists themselves
Invent Now - National Inventors Hall of Fame - site dedicated to promotion of science, technology and invention