The Best EMDataResource Alternatives in 2026

The Sand Atlas presents 3D models of particles and invites contributors to share additional two- or three-dimensional data.

DDBJ supports searching and retrieving database records, data submissions, and related services through Japan's DNA Data Bank.

The Plant Organelles Database includes electron micrographs from plant tissues and developmental stages, along with related resources.

PDBj maintains the single global PDB/BMRB/EMDB archives of macromolecular structures and provides integrated tools for searching and analyzing PDB data.

RCSB PDB supports searching, visualizing, downloading, and analyzing protein structures and related sequence, structure, and function data.

France’s national transport data access point gathers mobility datasets and provides APIs, validation tools, and recent dataset listings.

APPLAUSE archives historical photographic plates and related image materials for research and discovery.

Explore and download free high-resolution brain microscopy data from the Brain Image Library public archive.

EELS DB collects electron energy loss spectroscopy and X-ray spectra, with records covering 43 elements.

protocols.io supports creating, sharing, and discovering research methods and workflows, with tools for organizing protocols and team collaboration.

OrtholugeDB provides orthology predictions for sequenced bacterial and archaeal genomes, using Ortholuge and reciprocal best-hit methods.

IERS provides data on Earth rotation, reference systems, and geophysical fluids, with models, standards, and current bulletins.

Prague’s local open data catalog lets visitors browse and download datasets using the DCAT-AP-CZ standard.

ISRIC is the World Data Centre for Soil, providing global soil information, tools, standards, and expertise for researchers and practitioners.

The Worldwide Protein Data Bank manages the public archive of 3D structures for proteins, nucleic acids, and complex assemblies.

jPOSTrepo stores raw and processed mass spectrometry data for sharing through its Japan ProteOme STandard Repository.

Browse ASTM's catalog of standards, publications, journal articles, manuals, and technical papers.

Reciprocal Net links a distributed crystallography network with a searchable collection of common molecular structures.

PAZy catalogs plastic-active enzymes, substrates, enzyme structures, and curated literature on plastic degradation.

WURM catalogs computed mineral properties, including crystal structures, calculation parameters, and spectral measurements.

Search and browse CATH's database classifying protein structures, with options to find a protein structure.

The Database of Zeolite Structures provides searchable structural information, descriptions, drawings, and animated displays for approved zeolite framework types.

The Nucleic Acid Knowledgebase provides 3D structural information about nucleic acids, with structures, search, and full-text access.

The LMU-ifo Economics and Business Data Center documents research datasets and supports their archiving and secondary use.