National Repository or Service Manager (e.g., Funding bodies, Government)
RSAC
EOSC Research Software APIs and Connectors (RSAC)
Organisations:
FAIRCORE4EOSC
- Domain agnostic

MSCR
Metadata Schema and Crosswalk Registry (MSCR)
Organisations:
- Domain agnostic

CAT
Compliance Assessment Tool (CAT)
Organisations:
FAIRCORE4EOSC
- Domain agnostic

The Compliance Assessment Toolkit for EOSC is a set of concepts, implemented as a graph database and accessible via APIs, and supported by user interfaces via the APIs.
Organisations:
University of Oxford
- Domain agnostic

A curated, informative and educational resource on data and metadata standards, inter-related to databases and data policies.
OGC Definitions Server
OGC RAINBOW: OGC Definitions Server
Organisations:
Open Geospatial Consortium (OGC)
- Domain agnostic

OGC RAINBOW is provided by the Open Geospatial Consortium (OGC), a membership based International Standards Organisation
EcoPortal
EcoPortal
Organisations:
LifeWatch ERIC
- Natural Sciences

EcoPortal is a repository for semantic artefacts that pertain to Ecology and Biodiversity. It hosts relevant ontologies and controlled vocabularies together with their metadata and it offers a suite of tools to discover, publish or utilise them.
FAIR-enabling data policy checklist
FAIR-enabling data policy checklist
Organisations:
FAIRsFAIR consortium
- Domain agnostic

This checklist helps policy-makers to assess whether elements of their data policies are FAIR-enabling as well as providing recommendations on what should be addressed in policies.
Dataset Maturity Model
Dataset Maturity Model
Organisations:
FAIRplus consortium
- Medical & Health Sciences
- Domain agnostic

This model assess dataset maturity using indicators based on the FAIR principles
OGC RAINBOW
OGC Definitions Server
Organisations:
The Open Geospatial Consortium (OGC)
- Domain agnostic
OGC RAINBOW is a Web accessible source of information about things (“Concepts”) the OGC defines or that communities ask the OGC to host on their behalf. It applies FAIR principles to the key concepts that underpin interoperability in systems using OGC specifications.
F2DS
Federated FAIR Data Space
Organisations:
EOSC Pillar
- Domain agnostic
The F2DS is a unifying data space that is built by aggregating and enriching datasets from a set of multidisciplinary repositories, i.e. data sources, with the aim to facilitate data discovery and reuse. Although datasets are the primary focus of the resulting data space, other items are managed, including repositories and data sources, APIs, metadata schemas and ontologies
AgroPortal
A semantic artefact catalogue for agri-food
Organisations:
Agroportal
- Agricultural Sciences

AgroPortal is an ontology repository (more generally a semantic artefact catalogue) for the agri-food domain which features ontology hosting, search, versioning, visualization, comment, and recommendation; enables semantic annotation; stores and exploits ontology alignments; and enables interoperation with the semantic web.