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

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

Some examples of HTML markup using Schema.org microdata

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)

Minimum Information About a Plant Phenotyping Experiment

Manage page meta tags for SEO

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

Page metadata as a service

Data Mining Historical Newspaper Metadata (METS/ALTO formats)

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

PAV - Provenance Authoring and Versioning ontology

Documentation repository for the Egeria project.

Create AppStream MetaInfo files and auxiliary fd.o metadata easily

MEX Vocabulary: a lightweight machine learning interchange format

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

Ontologies focused on scientific observations and scientific workflow provenance.

Easy way to make CRUD forms from metadata.