Links and Resources
The GetSchema.org wiki provides links to many useful resources and tools relevant to schema.org. A few are listed below, starting with the relevant specification documents.
Further Information: schema.org and related specs
The normative documents for various specifications and standards related to schema.org are listed below with an indication of their formal status.
Schema.org 
Home page http://schema.org/ 
The schema hierarchy of types  http://schema.org/docs/schemas.html 
Getting started with schema.org http://schema.org/docs/gs.html 
HTML5
W3C Candidate Recommendation: http://www.w3.org/TR/html5/ 
HTML Microdata 
W3C Working Group Note: http://www.w3.org/TR/microdata/ 
RDFa Lite 1.1
W3C Recommendation: http://www.w3.org/TR/2012/REC-rdfa-lite-20120607/ 
JSON JavaScript Object Notation)
Introducing JSON: http://json.org/ 
JSON-LD (JSON for Linking Data)
Home page: http://json-ld.org/ 
Tools that help create schema.org structured data
Several tools exist that will assist in the creation of schema.org structured data, these are useful for a variety or purposes from producing illustrative snippets to managing websites with automatically generated schema.org markup embedded.
Googles Structured Data Markup Helper
 https://support.google.com/webmasters/answer/3069489?hl=en 
Microdata Generator
http://microdatagenerator.org/ 
Schema-creator by Raven
Standalone web form http://schema-creator.org/ 
WordPress plugin http://schema-creator.org/wordpress.php 
Other WordPress plugins
http://wordpress.org/plugins/tags/schemaorg 
Drupal schema.org module
https://drupal.org/project/schemaorg 
Tools that check, display or use schema.org structured data
Google Structured Data Testing Tool 
http://www.google.com/webmasters/tools/richsnippets 
Yandex Structured data validator
http://webmaster.yandex.com/microtest.xml
Bings Markup Validator  
http://www.bing.com/toolbox/markup-validator 
SEO moves microdata parser 
http://tools.seomoves.org/microdata/  
GetSchema.org Microdata to RDF Extractor
http://getschema.org/microdataextractor/about 
Microdata.reveal Chrome browser plugin
https://chrome.google.com/webstore/detail/microdatareveal/olapakiakkblfdaajcifgldandnikpdh 
Google Custom Search 
https://developers.google.com/custom-search/ 
