- MAPS FDA and IRB approved MDMA/PTSD protocol
- This is your brain on Ecstasy - A slideshow that illustrates the neuropharmacokinetics of Ecstasy（how the drug affects the brain）
- PiHKAL entry
- Long-Term Consequences of Methamphetamine Exposure in Young Adults Are Exacerbated in Glial Cell Line-Derived Neurotrophic Factor Heterozygous Mice
-  - 社區藥物教育輔導會
- Multidisciplinary Association for Psychedelic Studies
- Pillreports - The definitive Ecstasy database that is updated with "trip" reports and pictures daily.
- Good Drugs Guide - Basic information
- DanceSafe - a risk reduction site with lots of information on Ecstasy. Includes a large database of photographs of different pill types, along with laboratory analysis of what was actually found in the pill.
- Erowid's Ecstasy page - lots of information
- UK National Drugs Line factsheet on Ecstasy
- American Council for Drug Education factsheet on Ecstasy
- Utopian Pharmacology. Detailed essay discussing the history and uses of MDMA
-  A paper on MDMA including long history section
- TheDEA.org An ecstasy user's guide with detailed discussions of risks and scientific research.