Addiction Treatment Forum
The forum reports on substance abuse and addiction research, therapies, news, and events of interest to both healthcare professionals and patients in the United States.

American Association for the Treatment of Opioid Dependence (AATOD)
AATOD supports methadone maintenance as a valuable treatment for opiate dependence and seeks to increase the availability of high-quality, comprehensive treatment services to people in need of care throughout the United States.

Central Committee for the Treatment of Heroin Addicts
The organization provides contains comprehensive information on heroin maintenance research.

Conference on Substitution Treatment in V4 Countries and EU Experience
Held in Bratislava, Slovakia, in April 2003, the conference was sponsored by IHRD, the Open Society Fund–Bratislava and the East East Program—all part of the Soros foundations network. The conference website includes documents, presentations and other information analyzing the development of drug subsitution therapies in the Czech Republic, Hungary, Poland, and Slovakia.

Euro-Methwork
Euro-Methwork is a forum for those who are active in the methadone maintenance projects throughout Europe, including practitioners, researchers, and policy makers, as well as heroin users, their friends and families. The website includes a database of methadone providers.

International Center for Advancement of Addiction Treatment
Promotes the humane treatment of people who are living with opiate addiction by making available to healthcare providers relevant medical, legal, and policy information and by advocating for change in attitudes that constrain optimal treatment delivery.

Worldwide Travel Guide for Methadone Patients
A world guide to methadone availability for travelers.