- ChemDex - A directory of chemistry resources on the WWW, located on the Sheffield chemistry server.
- ChemFinder Searching - An index to chemical information on the Internet, with structures and physical properties, searchable by name, structure, CAS Number, and physical properties.
- Chemical Directories, Indicies and Links Sites - A meta-listing of chemistry indicies - a subsection of Links for Chemists.
- Chemical Resources - Many places to search chemical information in Internet, page held in Columbia.
- Chemie.DE - Chemie.DE is an information service for the german chemistry community. It provides search engines for chemistry and various databases for chemical information.
- ChemIndustry.com - Providing information on all facets of the world-wide chemical industry. Many links to web resources of interest to chemists and the chemical industry.
- Chemsoc - Online networks in specialist areas, science, industry and product news, a comprehensive events database, job centre, access to major references, and society resources.
- ChemWeb.com - Features searchable chemistry journals and databases, jobs, books, software, conferences diary and ChemDex+.
- ChIN - The Chemical Information Network - Comprehensive directory of chemical information on the web.
- Information Retrieval in Chemistry Server - A compendium of chemistry resources by field and by topic.
- Links for Chemists - An extensive index of chemistry resources maintained at The University of Liverpool.
- Medicinal Chemistry Links - A collection of links for chemists and students involved in organic, biochemical, computational, and/or medicinal chemistry research, maintained by Virginia Commonwealth University.
- moreChemistry - Maintains lists of events, links and jobs. Registered members can promote their websites themselves.
- Rolf Claessen's Chemistry Index - Links to freeware, discounted software, free databases, societies, spectroscopy resources, reaction mechanisms and online discussion forums.
- The Wired Chemist - A collection of Chemistry resources, including links to other sites and data tables.
- Top20Chemistry.com - Online directory for chemistry education in organic, analytical, bio, physical, electro, atmospheric, and several other topics.
