Ontonaut
Ontonaut is a modern ontology workbench. Edit OWL 2 ontologies and SKOS vocabularies in plain Turtle files, browse them as a dictionary or a knowledge graph, query with SPARQL, and let AI agents read and edit your ontology over MCP with every change marked and undoable.
Last Updated: 10/9/2026
| Developer | Khaos Systems |
| Publisher | Khaos Systems |
| Steam App Id | 5006240 |
Ontonaut
Ontonaut is a modern ontology workbench. Edit OWL 2 ontologies and SKOS vocabularies in plain Turtle files, browse them as a dictionary or a knowledge graph, query with SPARQL, and let AI agents read and edit your ontology over MCP with every change marked and undoable.
Last Updated: 10/9/2026
- Windows
- Mac
- Linux
About Ontonaut
Ontonaut is an Education, Accounting, Game Development, and Utilities game developed by Khaos Systems. It was released on the Steam Store by Khaos Systems.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
Media & Sceenshots
Watch the featured video for Ontonaut and see the latest screenshots from the Steam Store.
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Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Ontonaut data has been sourced from:
- Valve Corporation. (2026, October 9). Ontonaut on Steam. Steam Store.
- Valve Corporation. (2026, October 9). Ontonaut. Steam Community Hub.