OpenBKN Open Source Ontology Platform

Powerful, affordable ontology modeling for every business

OpenBKN is an open-source ontology platform for enterprises and AI agents. It models business objects, relationships, actions, metrics and rules to create queryable, actionable and traceable business knowledge networks.
Combine the creativity of large language models with the certainty of ontologies for accurate, secure and reliable enterprise AI.

AI agent platforms

OpenBKN
Platform

Business knowledge for agents

Data / systems

Connect agents and business knowledge
OPENBKN ONTOLOGY PLATFORM

Build an enterprise Knowledge Network with ontology modeling

OpenBKN connects ontologies, semantic models and enterprise data to give AI agents an understandable, actionable, governed and traceable business knowledge network.

What is OpenBKN?

OpenBKN is an enterprise-grade open-source ontology platform for ontology modeling, knowledge operations, access governance and business tracing.

What is ontology modeling?

Ontology modeling organizes business objects, relationships, actions, metrics and rules into a machine-understandable semantic model.

What is a Knowledge Network?

A Knowledge Network connects ontology models with enterprise data to create queryable, actionable and traceable business knowledge for people and AI agents.

Use OpenBKN for ontology modeling, Knowledge Network operations and business tracing

Run BKN — OpenBKN interface

Put business knowledge to work

Connect business objects and relationships to query and use enterprise knowledge. Run BKN independently or through agents in real business scenarios.

Learn how to run BKN
Switch product feature

Choose the right plan for OpenBKN

Compare all plans

Community Community edition

For developers, technical teams and ecosystem partners

Build and validate business knowledge networks for free. Ideal for demos and proofs of concept.

Full access to knowledge network and data capabilities
  • Model and manage knowledge networks with BKN Studio, CLI, SDK and Skills
  • Model objects, relations, actions and metrics
  • Relation queries, path queries and semantic search
  • Connect common databases, OpenSearch and CSV files
  • Local sign-in, users, departments and built-in roles
  • Resource-level permissions for knowledge networks and catalogs
  • Basic operation auditing
  • Runtime diagnostics and tracing
  • Semantic understanding tasks
View on GitHub

Professional Professional edition

Built for AI-native teams

For fast-growing AI-native teams

Extend Community with custom roles and permissions, fine-grained object authorization and advanced data connections.

Everything in Community, plus
  • Custom roles and permissions
  • Fine-grained object authorization
    • Separate permissions for viewing, querying, editing, deleting and executing
    • Explicit exceptions (allow or deny) and full authorization auditing
  • Advanced data connections
    • SQL Server
    • Oracle

$1,490/month

$14,900/year

Try now

Enterprise Enterprise edition

For organizations using OpenBKN as the foundation for enterprise AI agents

Extend Professional with fine-grained enterprise object permissions and business provenance.

Everything in Professional, plus
  • SAP HANA database connection
  • Enterprise object rules
    • Row-level permissions for object types
    • Column-level permissions with four attribute classification levels
    • Data masking
    • Audit changes to row and column permissions
  • Business tracing
    • Timeline
    • Evidence chain
    • Execution chain
Contact us
GET STARTED TODAY

Ready to build your ontology platform?

Connect your business data and build a knowledge network with OpenBKN,
giving every AI agent reliable, traceable business knowledge.

git clone https://github.com/openbkn-ai/openbkn-deploy.git && \ cd openbkn-deploy/deploy && \ sudo ./deploy.sh openbkn install