Protege Desktop
BKN Foundry is the Ontology back-end foundation of OpenBKN. It transforms ontology-driven business semantics into runtime services: data, logic, actions, security governance, and observability.
The webprotege code base
A Survey on Ontology Engineering, Graph Engineering, Loop Engineering, Harness Engineering, Context Engineering and Prompt Engineering
Automatic Ontology and Knowledge Graph construction with LLM
A package for ontology engineering with deep learning and language models.
Web console for OpenBKN — build, manage, and collaborate on business knowledge networks. React + TypeScript frontend for the platform's admin UIs and workspaces.
Understand what your codebase builds, why it is structured that way, and what a change could affect. One shared Markdown ontology for humans and coding agents—visualized for people, accessible to agents through MCP, and reviewed with Git. Local-first. Open source.
OntoLearner: A Modular Python Library for Ontology Learning with LLMs https://pypi.org/project/OntoLearner/
Online tool to automatically generate documentation and evaluation for Ontologies hosted on GitHub
OntoAligner: A Python Toolkit for Ontology Alignment https://pypi.org/project/OntoAligner/
A curated, versioned collection of OntoUML and UFO conceptual models for research and reuse, with native files, JSON, RDF/Turtle, diagrams, and metadata.
Draft a company ontology from an uploaded table or document, verify it against every row in code, and keep the person's judgement so the next upload of the same file starts from it
MyKG Knowledge Graph Engine: Turn raw files into knowledge graphs with induced ontology
The ontology is the software. One executable business ontology: AI writes it, the runtime runs it, agents operate it, you own it. Open protocol & runtime, Apache-2.0.
Plow - The ontology package manager
Transform UML into a formal OWL ontology and SHACL shapes
Tool to transform an ontology diagram into OWL code.
Event-sourced runtime for reconstructable AI identity, memory, reflection, commitments, and auditable cognitive continuity.
OWASP Ontology-driven Threat Modelling framework
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