Hands-On User Information

Breathe (The Overdose Game)

Dancesafe

Drug Text

Euro-Methwork

Heroin Helper

HIT

Opioid.com

Project Neon

Tweaker

The Vaults of Erowid

Government

National Institute on Drug Abuse (NIDA)

National Institutes of Health

Substance Abuse and Mental Health Services Administration (SAMHSA)

Associations

Harm Reduction Coalition (HRC)

International Harm Reduction Association

Policy and Research

Centre for Cognitive Liberty & Ethics (CCLE)

Drug Policy Alliance (DPA)

Joseph Rowntree Foundation

Multidisciplinary Association for Psychedelic Studies (MAPS)

Schaffer Library of Drug Policy

Urban Health Studies

Marijuana and Medical Marijuana

Cannabis Help (UK)

Medical Marijuana Canada

National Organization for the Reform of Marijuana Laws

Science of Medical Maijuana

Social Justice/Prison Activism

American Civil Liberties Union

Common Sense for Drug Policy (CSDP)

Copwatch

Drug War Chronicle

DrugSense

Families Against Mandatory Minimums

Human Rights and the Drug War (HRDW) Project

Human Rights Watch

The November Coalition

Syringe Exchange

Berkeley Needle Exchange Emergency Distribution (NEED)

Chicago Recovery Alliance

North American Syringe Exchange Network (NASEN)

Drug Treatment Related

Drug Help

Harm Reduction Psychotheraphy and Training Associates

LiferRing Recovery

Moderation Management

National Alliance of Methadone Advocates

Smart Recovery

Stanton Peele

HIV/Hepatitis/Sexual Health

AIDS Education Global Information System (AEGiS)

American Social Health Association (ASHA)

The Body

HCV Advocate

HepNet

HIV Insite

Project Inform

San Francisco Sex Information

Sexuality.org