Hypermedia API for ontologies

Graph Data Science: an abstraction layer in Python for building knowledge graphs, integrated with popular graph libraries – atop Pandas, NetworkX, RAPIDS, RDFlib, pySHACL, PyVis, morph-kgc, pslpython, pyarrow, etc.

A tool for creating and maintaining SKOS-vocabularies with Excel and GitHub.

A template to create repositories for developing and maintaining SKOS-vocabularies with Excel and GitHub.

Create RDF data from Excel spreadsheets - edit SKOS vocabularies, knowledge graph instances, SHACL constraints, OWL ontologies in Excel files. Available as HTTP service, upload form, command-line, or Java API.

A Rails application for ontologies portal.

An online SKOS editor

Thesaurus and controlled vocabulary browser using SKOS and SPARQL

Visual Studio Code extension providing editing support for RDF languages and knowledge graphs.

Frontend Rails-based web application for OntoPortal

A python abstraction for SKOS vocabularies

Sémantický slovník pojmů

A SKOS vocabulary for catalysis maintained by NFDI4Cat & friends

EVOKS (Editor for Vocabularies to Know Semantics)

Source code for OntoPortal user, admin and developer guides

Hypermedia and data API for OntoPortal services

Keyphrase extraction sumarization service

Skosprovider implementation of the Getty Vocabularies

Attach SKOS providers to a pyramid application

A skosprovider for the services at heritagedata.org