schemaorg / schemaorg

Schema.org - schemas and supporting software

microlinkhq / metascraper

Scrape metadata from any URL using Open Graph, JSON-LD, HTML meta tags, and smart fallbacks.

api-platform / core

The server component of API Platform: hypermedia and GraphQL APIs in minutes

RDFLib / rdflib

RDFLib is a Python library for working with RDF, a simple yet powerful language for representing information.

hhursev / recipe-scrapers

Python package for scraping recipes data

alxshelepenok / lumen

A constantly evolving and thoughtful architecture for creating static blogs.

jekyll / jekyll-seo-tag

A Jekyll plugin to add metadata tags for search engines and social networks to better index and display your site's content.

itteco / iframely

The URL engine behind Iframely. Self-hosted parsers that turn links into metadata, previews and embeds.

google / schema-dts

JSON-LD TypeScript types for Schema.org vocabulary

scrapinghub / extruct

Extract embedded metadata from HTML markup

mlcommons / croissant

Croissant is a high-level format for machine learning datasets that brings together four rich layers.

RehanSaeed / Schema.NET

Schema.org objects turned into strongly typed C# POCO classes for use in .NET. All classes can be serialized into JSON/JSON-LD and XML, typically used to represent structured data in the head section of html page.

digitalbazaar / pyld

JSON-LD processor written in Python

linkml / linkml

Linked Open Data Modeling Language

artiebits / svelte-seo

Optimize your website for search engines and social media with meta tags, Open Graph, and JSON-LD.

hike-lab / public-data-lens

MCP-based discovery and judgment layer for Korea’s open data portal—helping AI agents find, compare, and assess datasets with explicit evidence, JSON-LD/DCAT metadata, and versioned deterministic rules.