---
title: "Deploy Ontology Browser"
description: "A web front-end for navigating and querying OWL ontologies"
category: "Other"
url: https://railway.com/deploy/hI-_yx
---

# Deploy Ontology Browser

A web front-end for navigating and querying OWL ontologies

**[Deploy Ontology Browser on Railway](https://railway.com/template/hI-_yx)**

Machine-readable deploy manifest (JSON, validated by TemplateCI): https://railway.com/deploy/hI-_yx/manifest.json

- **Creator:** Nick Drummond's Projects
- **Category:** Other
- **Total deploys:** 7

## Template content

### Ontology Browser

- **Source:** https://github.com/nickdrummond/ontology-browser
- **Public domain:** Yes

## Documentation

A service to load and browse a single ontology (and its imports) on startup, with beautiful rendering for easy navigation.

Supports anything the OWLAPI can load:
* OWL
* RDF
* SKOS / SKOS-XL
* linked data
* knowledge graphs

Features

* Navigation of all entities (classes, properties, individuals and datatypes)
* Hierarchies, subclass/property/relations/annotations
* Entity usage
* Manchester OWL Syntax rendering
* Ontology metrics
* Searching
* DL Query (with set subtraction)
* Axioms view (and search)
* Paging
* Dark mode

To load your own, set the root ontology location and reasoner root ontology IRI environment variables:

* ONTOLOGY_ROOT_LOCATION=your ontology URL
* REASONING_ROOT_IRI=IRI of the ontology to be reasoned with
* PROJECT_NAME=Ontology name
* PROJECT_URL=Project documentation url
* PROJECT_TAGLINE=Project tagline text
* PROJECT_CONTACT=Email address of contact
* LABEL_IRI=IRI of the annotation property to use for rendering
* RESTART_SECRET=used for /restart endpoint secret param

Please see https://github.com/nickdrummond/ontology-browser for more details

## Similar templates

- [Rocky Linux](https://railway.com/deploy/rocky-linux) — Hosted Rocky Linux 9 workspace with SSH and persistent storage. 🚀
- [Foundry Virtual Tabletop](https://railway.com/deploy/X5tR6G) — A Self-Hosted & Modern Roleplaying Platform
- [Letta Code Remote](https://railway.com/deploy/letta-code-remote) — Run a Letta Code agent 24/7. No inbound ports, just deploy.

Open this page in a browser: https://railway.com/deploy/hI-_yx