WebSchemas/SchemaNavJS
In order to keep track of Schema.org extensions some tool support seems necessary.
See announcement
One approach to navigate Schema.org core terms and proposed and/or accepted extension terms is a browser-based explorer called SchemaNavJS. It is implemented in JavaScript/jQuery and uses as input the embedded terms definitions.
- Demo: via Schema.RDFS.org
- Source: via GitHub
Terms-centric view.
Extensions-centric view.