- A first-cut, extremely rough and rudimentary browsable Multi-Schema Attribute Registry is under development as part of this project. The information is also available in the form of a spreadsheet and a Protégé ontology project.
- LoA Profile Registry
- Rutgers Identity Attribute Registry (PDF)
- R&S Category Bundle from InCommon
- SWAMID Entity Categories
- Accessibility support
- The Entity Category Attribute Specification (draft-macedir-entity-attribute)