- About.com - Organic Chemistry - Information about the chemistry of carbon and life. Features lectures, notes, structures, and labs.
- ACS Organic Division - The Division of Organic Chemistry of the American Chemical Society. Provides important information and announcements on the divisions activities and member benefits.
- Arkat Foundation - Free ARKIVOC online journal and online education in chemistry.
- Chirality and Odour Perception - Odor descriptions and molecular visualization of chiral flavor and fragrance chemicals.
- Classic Organic Reactions - A database of named and alphabetized organic reactions with references.
- CombiChem Lab - Reviews, links and news in combinatorial chemistry, high and ultra-high throughput screening, and lab automation.
- Combinatorial Chemistry Notes - Short descriptions of the history and methods used in combichem as well as events and related links.
- Jamaican Themes for Lecture Material - The chemistry of Jamaican alumina, spices, coffee, rum, synfuel, marine natural products, and herbal remedies.
- Modern Molecular Photochemistry of Organic Compounds - Course page including videotaped lectures and problem sets with solutions.
- Not Voodoo - "Demystifying synthetic organic laboratory technique": tips, traps, troubleshooting, and techniques.
- OCHeM.com - A site dedicated to helping students with organic chemistry by providing quick reference topics.
- Organic Chemistry Cram Sheet - Includes study tips, review and formula sheets.
- Organic Name Reactions - Schematic representation of about 140 organic name reactions with references. Some of the schemes are animated.
- Organic-Chemistry.org - Includes a searchable literature index, named reactions and protecting groups as well as a chemical database. [English and German]
- ORGLIST Archive - Discussion list of nearly 500 organic chemists worldwide. Join this community or search their previous discussions by author, subject, date, or thread.
- Porphynet - Portal of porphyrins and related molecules.
- Wikibooks - Organic Chemistry - A user contributed resource of basic concepts and ideas in organic chemistry.
