Get unified metadata from websites using Open Graph, Microdata, RDFa, Twitter Cards, JSON-LD, HTML, and more.

Cook rmarkdown codebooks from metadata on R data frames

Open Data Portals and Sites around the world

Some examples of HTML markup using Schema.org microdata

Repository containing lists of all published ancient metagenomic (and related) samples and libraries

A `htmlparser2` handler for parsing rich metadata from HTML. Includes HTML metadata, JSON-LD, RDFa, microdata, OEmbed, Twitter cards and AppLinks.

Ecological Metadata Language (EML)

Free online EXIF Viewer (made with Kotlin/WASM)

Manage page meta tags for SEO

This is a single HTML form which can be used to generate DataCite Metadata Kernel 4.0 XML

Minimum Information About a Plant Phenotyping Experiment

Page metadata as a service

Data Mining Historical Newspaper Metadata (METS/ALTO formats)

Documentation repository for the Egeria project.

Directory of non-profit FOSS Foundations, with detailed metadata.

PAV - Provenance Authoring and Versioning ontology

MEX Vocabulary: a lightweight machine learning interchange format

Create AppStream MetaInfo files and auxiliary fd.o metadata easily

Repository of the geospatial extension to DCAT-AP (GeoDCAT-AP)

Easy way to make CRUD forms from metadata.