Looking for something like Merck Index? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan.
The Merck Index provides a searchable reference for chemical substances by name or CAS Registry Number.
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | HyperPhysics | — | Not stated | Web |
| 2 | OneConverter | Free | Not stated | Web |
| 3 | Coolmath Games | — | Not stated | Web |
| 4 | Technologies in LabLab | — | Not stated | Web |
| 5 | Periodic Table App | — | Not stated | Web |
| 6 | Images-of-elements | — | Not stated | Web |
| 7 | MolView | — | Not stated | Web |
| 8 | Periodic-Table.io | — | Not stated | Web |
| 9 | Chemequations | — | Not stated | Web |
| 10 | 3D Periodic Table | — | Not stated | Web |
HyperPhysics presents a concept reference with indexes for videos, demos, class materials, papers, and connections to chemistry, geophysics, and biology.
OneConverter provides conversion tools for work and study, with searchable pages for its available converters.
Coolmath Games offers number games for practicing arithmetic, fractions and multiplication online.
LabLab’s technology index links AI topic pages with tutorials, hackathons, frameworks, and starter code.
Periodic Table App lets users search chemical elements and view properties in an interactive periodic table.
Images of Elements shares information and photos of pure chemical elements under a Creative Commons license.
MolView lets users search chemical compounds and access molecular viewing and chemistry information.
Visitors can explore chemical elements in the interactive periodic table at Periodic-Table.io, which offers multiple language options.
Chemequations helps users complete chemical reaction products and balance equations.
View chemical elements in a three-dimensional periodic table, as described by this interactive periodic table page.
The Wikispecies project lets visitors browse and contribute information about species through its online reference pages.
The Photographic Periodic Table presents element information alongside photographs and reference material.
The SmartCockpit site provides an online aviation library with quizzes, news, and reference material.
The Catalogue of Life provides a reference list of the world's species.
Compare JDK releases and requirements for building and running Java applications using this reference.
ProofWiki collects mathematical proofs and reference material in an online wiki.
EyeWiki offers an eye encyclopedia written by physicians and surgeons, with reference information for readers.
AerospaceWeb publishes reference material on aviation, space, design and engineering.
Visitors can use Wumbo as a math reference site for students, teachers, and enthusiasts.
MSD Manuals provide medical reference material in multiple versions for different audiences.
PocketMacros offers macroinvertebrate identification resources, navigational views, and related reference materials.
HemOnc offers a wiki reference for hematology and oncology topics for medical readers.
EngineersEdge provides reference data and practical tools for engineers working across technical disciplines.
ChemOCR uses a lightweight model to recognize chemical structures from images and convert them into other formats.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative
