Not Voodoo
- "Demystifying synthetic organic laboratory technique": tips, traps, troubleshooting, and techniques.
- http://www.chem.rochester.edu/~nvd/

Combinatorial Chemistry Notes
- Short descriptions of the history and methods used in combichem as well as events and related links.
- http://www.screening-compounds.com/

Classic Organic Reactions
- An database of named and alphabetized organic reactions with references.
- http://www.chempensoftware.com/organicreactions.htm

Wikibooks - Organic Chemistry
- A user contributed resource of basic concepts and ideas in organic chemistry.
- http://en.wikibooks.org/wiki/Organic_chemistry

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.
- http://www.organicdivision.org/

About.com - Organic Chemistry
- Information about the chemistry of carbon and life. Features lectures, notes, structures, and labs.
- http://chemistry.about.com/od/organicchemistry/index.htm

ORGLIST Archive
- Discussion list of nearly 500 organic chemists worldwide. Join this community or search their previous discussions by author, subject, date, or thread.
- http://www.orglist.net/

Arkat Foundation
- Free ARKIVOC online journal and online education in chemistry.
- http://www.arkat-usa.org/

Organic-Chemistry.org
- Includes a searchable literature index, named reactions and protecting groups as well as a chemical database. [English and German]
- http://www.organic-chemistry.org/

OCHeM.com
- A site dedicated to helping students with organic chemistry by providing quick reference topics.
- http://www.ochem.com/

Jamaican Themes for Lecture Material
- The chemistry of Jamaican alumina, spices, coffee, rum, synfuel, marine natural products, and herbal remedies.
- http://wwwchem.uwimona.edu.jm:1104/lectures/

CombiChem Lab
- Reviews, links and news in combinatorial chemistry, high and ultra-high throughput screening, and lab automation.
- http://www.combichemlab.com

Chirality and Odour Perception
- Odor descriptions and molecular visualization of chiral flavor and fragrance chemicals.
- http://www.leffingwell.com/chirality/chirality.htm

Porphynet
- Portal of porphyrins and related molecules.
- http://www.porphyrin.net/

Organic Name Reactions
- Schematic representation of about 140 organic name reactions with references. Some of the schemes are animated.
- http://www.monomerchem.com/display4.html