In the download sections below, if an installation is labeled as "full", it includes the Core Protégé system, the Protégé-Frames editor, the Protégé-OWL editor, and many optional plug-ins. Please note that if you are only interested in OWL, you can download the full version and choose "Basic + OWL" during the installation process.

If an installation is labled as "basic", it includes only the Core Protégé system and the Protégé-Frames editor.

If you would like to look at the list of bugs and feature requests, please see the Protégé Bugzilla installation. On the Bugzilla Main Page, click the "Search existing bug reports" link, choose Status Open and Product Protege, and click the Search button.

Protégé 3.3.1
Protégé 3.4 beta
Protégé 4.0 alpha
Protégé (older releases)

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Protégé 3.3.1

• Download full Protégé
• Download basic Protégé
• View release notes
• View javadoc for Core Protégé and Protégé-Frames
• View javadoc for Protégé-OWL
• Get source code for Core Protégé and Protégé-Frames
• Get source code for Protégé-OWL
• Get source code for the Standard Extensions Library

Protégé 3.4 beta

• Download full Protégé
• Download basic Protégé
• View release notes
• View javadoc for Core Protégé and Protégé-Frames
• View javadoc for Protégé-OWL
• Get source code for Core Protégé and Protégé-Frames
• Get source code for Protege-OWL
• Get source code for the Standard Extensions Library

Protégé 4.0 alpha

• Download Protégé - platform independent installer program
• Download Protégé - ZIP file (no 1.5 VM, no executable file included)
• View release notes
• View source code (with ViewVC)

Protégé (older releases)

• Download old releases