A Guide to JSON-LD, Microdata & Schema.org: Guide To Getting Rich Snippets
Extending HTML5 — Microdata | HTML5 Doctor
Schema Markup Generator: Implement Structured Data Without Developers
GitHub - jimklo/schema-dot-org-json-schema-generator: Code to generate JSON Schema Draft 4 for HTML Microdata encoded in JSON using Schema.org vocabulary
Schema Generator Tool | SEO Ranking Tips Using Schema Structured Data