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/

Ambitious Addict
Discussion forum, photos, and user contributions.
http://www.ambitiousaddict.com/

Archido: Archives for Drug Literature
Provides database, bibliographies, reviews, and links. [English and German]
http://www.archido.de/index.php?lang=en

Chill Pharm
A portal for discussion of the drug counter-culture. Featuring news, policy and health discussions, experiences, and techniques.
http://www.chillpharm.com

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.com

Crack Cocaine
Information, history, facts, and pictures of crack and cocaine.
http://cocaine.org/

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/

Drugs Forum
Information and forum about most recreational drugs.
http://www.drugs-forum.com

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/

Recreational Drugs Information
Provides information about a wide range of recreational drugs, including their effects and historical usages.
http://www.a1b2c3.com/drugs/

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/

The Drugs Index
Portal to drug-related websites organized by topic, and a chat room.
http://www.thedrugsindex.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/

The Vaults of Erowid

http://www.erowid.org/