European Materials Modelling Ontology
Physics-based top-level ontology for materials science with ~6000 concepts covering modelling, characterization, and processing.
Visit WebsiteBrowse the tree, filter it, or click any class to see just its corner of it.
Where this one tends to earn its keep.
Materials science simulation workflows
FAIR data in materials research
Multi-scale modeling integration
Industrial R&D data management
I haven't checked this label against the actual licence text — it's the catalogue's original guess. Check the ontology's own site before you rely on it.
Others worth a look in Foundational.