Universal Document Foundation
Schema Registry
The authoritative catalogue of JSON Schema definitions for Universal Document™ files — from core iSDF schemas to domain-specific document types.
CC BY 4.0
Open by default
Public schemas are free under CC BY 4.0. Anyone with an account can submit a schema for review.
5-stage process
Formal review
Impact analysis, harmonization, public consultation, and board approval before publication.
Semver
Versioned & notified
Semantic versioning with support for the latest two active versions.
$99/yr
Commercial option
Register proprietary schemas for $99 per year per schema with priority review.
Maturity levels
0
Draft
Work in progress. Open for public comment.
1
Recommended
Stable for production pilots. Board approved.
2
Standard
Normative reference for a domain.