Ontodia - simple and free online OWL and RDF diagramming tool with no programming involved

Sign up for free
Log in

Step 1
Define data source

Upload RDF files or configue SPARQL-endpoint

Generic placeholder image

Step 2
Build a diagram

Construct a new diagram over your data

Generic placeholder image

Step 3
Share with others

Share diagrams just like you do with files on Google drive

Demo video

Register
Generic placeholder image

Always at hand

No need to install anything. Your work is always safe and accessible in the cloud for you and your collaborators

Generic placeholder image

Visual data exploration

You can upload the new unfamiliar data or ontology and start exploring it in a diagram form

Generic placeholder image.

User friendly diagrams

Ontodia supports drag'n'drop of data to the diagram and the use of mobile devices

Generic placeholder image

Users control their content

Subscribers control their diagrams and data sources: they can share, publish their work on Internet and work in teams


Diagram samples made in Ontodia

Press the button to try Ontodia now