The Catalogue of Life provides a reference list of the world's species.
Merck Index
vsWikispecies
Merck Index vs Wikispecies
How do Merck Index and Wikispecies compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Merck Index | Wikispecies |
|---|---|---|
| What it is | The Merck Index provides a searchable reference for chemical substances by name or CAS Registry Number. | The Wikispecies project lets visitors browse and contribute information about species through its online reference pages. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Android, Web |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
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