Ultra-lightweight, zero dependency, semantic HTML, CSS, JS UI library. ~8KB min+gz.

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

🍵 Drop-in semantic styling library in pure CSS. Highly customizable and perfect for simple websites and prototyping web apps!

A JSON-LD Processor and API implementation in JavaScript

A curated list of various semantic web and linked data resources.

JSON-LD TypeScript types for Schema.org vocabulary

Contextualise is an effective tool particularly suited for organising information-heavy projects and activities consisting of unstructured and widely diverse data and information resources

Extract embedded metadata from HTML markup

DefraDB is a Peer-to-Peer Edge-First Database. It's the core data storage system for the Source Ecosystem, built with IPLD, LibP2P, CRDTs, and Semantic open web properties.

A curated list of amazingly awesome articles, people, applications, software libraries and projects related to the knowledge management space

DBpedia Spotlight is a tool for automatically annotating mentions of DBpedia resources in text.

Semantica 🧠 — A framework for building semantic layers, context graphs, and decision intelligence systems with explainability and provenance.

Configurable Generation of Synthetic Schemas and Knowledge Graphs at Your Fingertips

JSON-LD processor written in Python

The low-code Knowledge Graph application platform. Apache license.

🔗 Semantic MediaWiki turns MediaWiki into a knowledge management platform with query and export capabilities

(subjective) overview of projects which are related both to python and semantic technologies (RDF, OWL, Reasoning, ...)

Type-checked Schema.org JSON-LD for React

A curated list of ontology things

Linked Open Data Modeling Language

RDF.rb is a pure-Ruby library for working with Resource Description Framework (RDF) data.

Eclipse RDF4J: scalable RDF for Java

RSS as RESTful. This service allows you to transform RSS feed into an awesome API.

JSON-LD processor for PHP

Ontology for the description of human clinical features

A curated list of Clojure resources for dealing with graph-like data.

PHP implementation of a JSON-LD Processor and API

SPARQL Anything is a system for Semantic Web re-engineering that allows users to ... query anything with SPARQL.

TopicDB is a topic maps-based semantic graph store (using SQLite for persistence)

A Python frontend to (Open Biomedical) Ontologies.