Allows the user to calculate how much money is spent monthly and annually on drugs, alcohol, and cigarettes.

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 en...

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.

Includes a listing of various mind altering substances, including their chemical structures and effects (with first person accounts).

Information, history, facts, and pictures of crack and cocaine.

Provides database, bibliographies, reviews, and links. [English and German]

Provides information about a wide range of recreational drugs, including their effects and historical usages.

Portal to drug-related websites organized by topic, and a chat room.

Information and forum about most recreational drugs.

Focuses on drug policies in the United Kingdom and global cannabis news and harm reduction information. Also sells Ecstasy testing kits and books.