Codeine Information 
A non-profit source of information on the recreational use of codeine, dihydrocodeine, hydrocodone, oxycodone, and pholcodine. Includes facts, extraction guide, list of products containing codeine, information on side effects, addiction and tolerance.
http://codeinepub.tripod.comThe Vaults of Erowid
Index of drugs, with physical effects, images, history, chemistry and law information for each. Articles and sections for wide variety of drug related material, including law, experiences, community, drug testing, spirituality, health, and artistic endeavors.
http://www.erowid.org/
The Drugs Index
Portal to drug-related websites organized by topic, and a chat room.
http://www.thedrugsindex.org
Crack Cocaine
Information, history, facts, and pictures of crack and cocaine.
http://cocaine.org/
Drugs Forum
Information and forum about most recreational drugs.
http://www.drugs-forum.com
Drug Calculator
Allows the user to calculate how much money is spent monthly and annually on drugs, alcohol, and cigarettes.
http://www.health.org/features/interact/calc/
Responsible Drug Use
Offers a Duncanian perspective on the nature of responsible, non-addictive use of recreational drugs, including concerns for situational, health, and safety responsibilities.
http://www.geocities.com/responsibleuse/
Ambitious Addict
Discussion forum, photos, and user contributions.
http://www.ambitiousaddict.com/
Recreational Drugs Information
Provides information about a wide range of recreational drugs, including their effects and historical usages.
http://www.a1b2c3.com/drugs/
Chill Pharm
A portal for discussion of the drug counter-culture. Featuring news, policy and health discussions, experiences, and techniques.
http://www.chillpharm.com
Alchemind Society
An international nonprofit association of people working in the public interest to protect the fundamental right to freedom of thought through the use of drugs. Includes news, law library, journal, plus organizational and membership information.
http://www.cognitiveliberty.org/
The Lycaeum
Includes a listing of various mind altering substances, including their chemical structures and effects (with first person accounts).
http://www.lycaeum.org/
Green Party
Focuses on drug policies in the United Kingdom and global cannabis news and harm reduction information. Also sells Ecstasy testing kits and books.
http://drugs.greenparty.org.uk/
Archido: Archives for Drug Literature
Provides database, bibliographies, reviews, and links. [English and German]
http://www.archido.de/index.php?lang=en
