# SubstanceWiki

Project, Worldwide.

> Open-source encyclopedia of psychoactive substances
>
> — in its own words, from substancewiki.org

- Website: https://www.substancewiki.org/
- Listed since: 2026
- launched: 2026-03-08
- launch post: https://news.ycombinator.com/item?id=47295726
- hn score: 2
- domain created: 2026-03-05
- Last verified: 2026-03-08


## Sources

- Hacker News, "Show HN" — https://news.ycombinator.com/item?id=47295726, read 2026-03-08

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startup.is · https://startup.is/projects/substancewiki · open data: /api/v1, /llms.txt