Protege Desktop is a free and open source ontology editor.

Instructions for building from source are available in the wiki.

Code Quality Rank: L4
Programming language: Java
License: GNU General Public License v3.0 or later
Tags: Utility    
Latest version: v5.5.0

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Protege Desktop

Protege is a free, open-source ontology editor that supports the latest OWL 2.0 standard. Protege has a pluggable architecture, and many plugins for different functionalities are available.

To read more about Protege's features, please visit the Protege home page.

The latest version of Protege can be downloaded from the Protege website, or from github.

If you would like to contribute to the Protege Project please see our contributing guide

The Developer Documentation may be found on the wiki.

Looking for support? Please ask questions on the protege-user or protege-dev mailing lists. If you found a bug or would like to request a feature, you may also use this issue tracker.

Protege is released under the BSD 2-clause license.

Instructions for building from source are available on the the wiki.

*Note that all licence references and agreements mentioned in the Protégé README section above are relevant to that project's source code only.