awesome-ontology

Eddy

A graphical editor for the specification and visualization of ontologies in format

An award winning comprehensive tool for editing and manipulating complex ontologies that uses Controlled Natural Language

Designed for any object-oriented structured data model to build, manage and align your ontology, or to simply browse through the existing ontologies. ( for issues)

(formerly OntoEdit) - A most widespread commercial modeling environment for creating and maintaining ontologies

A UML Style Graphical Editor for OWL

A free, open-source ontology editor and framework for building intelligent systems

A very simple graphical editor to create Terms and Relations. It can use ChatGPT, Google Bard or any other chatbot. Ideal for beginners wanting to make and share quick sketches

Vitro

A general-purpose web-based ontology and instance editor with customizable public browsing

and - VocBench is a web-based, multilingual, collaborative development platform for managing OWL ontologies, SKOS(/XL) thesauri, Ontolex-lemon lexicons and generic RDF datasets. Its backend, Semantic Turkey is a RDF service platform for Knowledge Management and Acquisition

(last updated ~2005) - A user-friendly knowledge modelling application

(last updated 2011) - A state-of-the-art, open source multi-platform ontology engineering environment, which provides comprehensive support for the ontology engineering life-cycle

(last updated ~2017) - An ontology-driven "Distributed Information Management System" (DIMS) by Revelytix, Inc

SWOOP

(last updated 2007) - An OWL Ontology browser/editor that takes the standard Web browser as the basic UI paradigm

Series (archived ~2021) - A powerful Integrated Development Environment (IDE) for implementing Knowledge Graph/Linked Data services by TopQuadrant, Inc

WebODE

(discontinued in 2006) - An extensible ontology-engineering suite based on an application server

in Wikipedia

by the Hozo group

Java ontology documentation generator to convert OWL ontologies into HTML human-readable pages

The Ontology Access Kit, a python library and command line tool for ontologies

obonet

Python library to convert OBO-formatted ontologies to networkx graphs

OnToology

Online tool to automatically generate documentation and evaluation for Ontologies hosted on GitHub

Python library and command-line interface for inspecting and visualizing RDF models

OWLTools

Java API and command-line utilities on top of the OWL API

pyLODE

Python ontology documentation generator inspired by LODE

pyontutils

Python utilities for working with ontologies

Java library and CLI tool for working with ontologies, particularly Open Biomedical Ontologies. It also provides a bridge to Python by Py4J

WebVOWL

Web application for visualizing ontologies on the Web

WIDOCO

Java tool for publishing and creating an enriched and customized documentation of ontology automatically, by following a series of steps in a GUI. Based on LODE

yamlpyowl

Python based YAML-to-OWL-converter

owl-cli

Command line tool for ontology engineering (diagram generation, read/write documents in various formats and OWL DL reasoning)

Python tool to turn CSV into RDF using SPARQL syntax

VocPrez

Python tool (API and web front-end) for the read-only delivery system of SKOS vocabularies

SciGraph

Neo4j backed ontology store

A language with an abstract syntax and semantics which are given in the ISO standard

A language with a concrete syntax based on first-order predicate calculus and Lisp

A language used in the OBO Foundry with a concrete syntax and semantics which maps the language to OWL2-DL

A language with and . It has a few defined (reserved) vocabulary terms (see and ). The language is compatible with RDF by . It can be extended with Description Logics (see )

A language with based on the subject-predicate-object triple and . For no vocabulary is defined in itself, it is used with RDF Schema vocabulary (see )

(2010~)

(2010~)

(N3) (2008~)

(2014~)

(2001/2014~)

(2004~)

(2002/2004~)

(2007/2014~)

(2004~, inactive)

( /2014~)

(generic extension of RDF, 2019~)

(2014, inactive)

in Wikipedia

in W3C Wiki - A short meta-list of lists of ontologies

A comprehensive repository of biomedical ontologies

A List of 300+ ontologies and related resources, maintained by

Namespace lookup for RDF developers

Database of Knowledge Organization Systems and KOS related Registries, developed by the Basel University Library, Switzerland

Ontology archive automatically indexing OWL ontologies on the web

in (ODP)

by Ying Ding

in Protege Wiki - Listing 100+ ontologies

A small, upper level ontology that is designed for use in supporting information retrieval, analysis and integration in scientific and other domains

A shallow, cross-domain ontology, which has been manually created based on the most commonly used infoboxes within Wikipedia

A foundational ontology originally developed in WonderWeb project. ( )

A top-level ontology for conceptual modeling, which is being constantly further developed by Onto-Med

Semantic Arts' minimalist upper ontology for the enterprise

An ontology which extends DOLCE-Lite Plus (DLP). It consists of ~50 classes

Vocabulary (UMBEL ontology) (merged to KBpedia in 2019) - An ontology consists of ~70 classes

An ontology which consists of ~350 classes

MILO (Mid-Level Ontology)

in

Reference Concepts (Reference Concepts ontology)

An open, multilingual knowledge graph

( / ) - A knowledge base which contains more than 630,000 concepts

A crowd-sourced community effort to extract structured content from the information created in various Wikimedia projects

A comprehensive knowledge structure for promoting data interoperability and knowledge-based artificial intelligence (KBAI). It combines Wikipedia, Wikidata, schema.org, DBpedia, GeoNames, OpenCyc, and UMBEL

ATOMIC + ConceptNet combination by AllenAI

An ontology developed by the Never-Ending Language Learning (NELL) project

A free and open knowledge base that can be read and edited by both humans and machines. It contains more than 55,000,000 data items

A large lexical database of English. It consists of ~117,000 synsets (groups of synonyms)

A huge semantic knowledge base, derived from Wikipedia WordNet and GeoNames. It has knowledge of more than 10 million (10,000,000) entities

A large-scale multilingual knowledge graph by structuring and integrating Chinese Wikipedia, English Wikipedia, French wikipedia, and Baidu Baike

A result of a large-scale RDF crawl (accepting RDF/XML, Turtle and N-Triples) conducted from 2018/12/12 until 2019/01/11 using LDspider

(shut down in 2016) -

(~2001?) - ... by Microsoft

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-

A list of open wordnets in a variety of languages, all linked to the Princeton WordNet of English (PWN)

An ontology which consists of ~1900 classes

Digital Buildings Ontology (DBO)

Ontology for buildings and building-installed equipment by Google

The world’s largest source of information on the functions of genes

All body parts across all animals

The Web vocabulary for e-commerce

High-precision identifiers for product types based on Wikipedia

An ontology of terms that can be used to describe online communities on the Web of Data

An ontology for cultural heritage information, which describes the explicit and implicit concepts and relations relevant to the documentation of cultural heritage

An example used in

An example used in

An ontology built to interoperate with the OBO Library and to represent entities which bear a "food role"

An ontology of geographical entities implemented in OWL 2 and based on Basic Formal Ontology (BFO)

CLARIAH/awesome-humanities-ontologies

A curated list of ontologies for Digital Humanities

Liquid-Legal-Institute/Legal-Ontologies

A list of selected resources, methods, and tools dedicated to legal data schemes and ontologies

An approved standard for using semantic markup to annotate news-specific metadata in HTML documents

A computer language defining a dictionary of people-related terms that can be used in structured data

An ontology for describing people and organizations. A mapping of the vCard specification (RFC6350) to RDF/OWL

A vocabulary of fifteen properties for use in resource description

An extension of the Dublin Core Metadata Element Set

A Japanese controlled vocabulary consists of roughly 60 class concepts, 250 property concepts and words associated to them

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A data-modelling RDF vocabulary used for defining RDF vocabularies

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An RDF vocabulary for representing semi-formal knowledge organization systems (KOSs), such as thesauri, taxonomies, classification schemes and subject heading lists

AgreementMakerLight (AML)

Ontology matching system developed by LASIGE (FCUL, Portugal) in collaboration with the ADVIS Lab (UIC, USA)

LogMap

Highly scalable ontology matching system with "built-in" reasoning and inconsistency repair capabilities

OntoEMMA

Ontology matcher by AllenAI

website - Hosting OM (International Workshop on Ontology Matching) and OAEI (Ontology Alignment Evaluation Initiative)

Ontology Alignment API specification. (implemented in Java)

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family -

by Evgeny Zolin

A lightweight Description Logic (EL+) reasoner for large-scale biomedical ontologies. (Common Lisp+Java)

ELK

An ontology reasoner that aims to support the OWL 2 EL profile. (Java)

EYE

A reasoning engine which performs semibackward chaining and supports Euler paths. (Prolog)

The new generation of the well-known OWL-DL reasoner which uses optimised tableaux algorithms. (C++)

A F-logic based reasoning system. (Prolog)

HyLAR

A rule-based incremental reasoner for the Web. (JavaScript)

jcel

A reasoner for the description logic EL+. (Java)

Openllet

An OWL DL reasoner build on top of Pellet 2. (Java)

OWL-RL

A simple implementation of the OWL2 RL Profile, as well as a basic RDFS inference, on top of RDFLib. (Python)

pyfactxx

Python bindings for upgraded FaCT reasoner and RDFLib integration. (Python/C++)

A knowledge representation system that implements a highly optimized tableau calculus for the description logic SRIQ(D). (Common Lisp+Java)

Whelk

A Scala OWL reasoner based on the algorithm implemented in ELK, using immutable data structures

(last updated 2005) - A forward chaining RDF reasoner. (Python)

(last updated ~2013) - The first publicly-available OWL reasoner based on a novel “hypertableau” calculus which provides much more efficient reasoning than any previously-known algorithm. (Java)

(last updated 2004) - An implementation of an OWL-DL reasoner that uses a first order prover. It uses the Vampire prover for reasoning purposes. Other reasoners could also be used; communication with the reasoner is via the TPTP format which is understood by a number of theorem provers

reasoner (last updated 2008) - A DL reasoner for the SHIQ(D) subset of OWL-DL, based on novel algorithms which reduce a SHIQ(D) knowledge base to a disjunctive datalog program. (proprietary, Java)

Pellet 2

(last updated ~2015) - An open source OWL DL reasoner for Java. Pellet 3 (proprietary) is embedded in the platform. (Java)

An introductory article by Uli Sattler, Robert Stevens, and Phillip Lord

A query language supported by the DL Query tab plugin for Protégé based on the Manchester OWL syntax

A set of specifications that provide languages and protocols to query and manipulate RDF graph content on the Web or in an RDF store

A substantial subset of SPARQL that can be covered by the standard reasoning services OWL-DL reasoners provide. It is implemented in the Pellet reasoner

A sound and complete algorithm for answering SPARQL-OWL, SPARQL queries under the OWL 2 Direct Semantics entailment regime

An RDF*-aware extension of the RDF query language SPARQL

A polymorphic semantic modeling language

A rule markup language which extends the logical expressivity of the OWL language

(virtually succeeded by SHACL, see )

(Java)

FunOWL

A Python library for working with OWL (functional syntax). (Python)

Horned OWL

An OWL Rust library. (Rust)

ontor

Ontology editing library built on Owlready2. (Python)

A Java API for creating, manipulating and serializing OWL Ontologies. (Java)

Owlish

A Rust library for working with OWL 2 ontologies with Wasm support and turtle parsing. (Rust)

A module for ontology-oriented programming in Python. (Python)

Tawny-OWL

A domain-specific language and library for OWL ontologies in Clojure. (Clojure)

An abstract formalism that allows for manipulating ontologies written in OWL

(OAEI)

(ODPA)

semantalytics/awesome-semantic-web

A curated list of various semantic web and linked data resources

jbenner-radham/awesome-semantic-web

A curated list of various semantic web and linked data resources

totogo/awesome-knowledge-graph

A curated list of Knowledge Graph related learning materials, databases, tools and other resources

Materials-Data-Science-and-Informatics/awesome-fair-data

A curated list of awesome stuff around the FAIR principles for (scientific) data, i.e that data is findable, accessable, interoperable and re-usable

pysemtec/semantic-python-overview

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

buaaliuming/Awesome-Knowledge-Bases

Available knowledge bases, Ontology, Knowledge Graph or taxonomy

costezki/awesome-semantic-tools

List of projects related to Ontology engineering and Semantic Web technologies that make a geek smile for they exist

KMax/awesome-semantic-web-business

A curated list of awesome resources that feature usages of Semantic Web technologies in business cases (applications)