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Protégé
protege · v5.6.9 • deprecated
7
7.0
Ontology editor
brew install --cask protege 53
30-day installs
139
90-day installs
596
365-day installs
Install trend
Trust Score 7/10
✓ Open source (BSD-2-Clause) +3
✓ Active development +2
✓ Licensed +1
✗ No auto-updates +0
✗ Deprecated +0
✓ Established (>1yr) +1
✗ Low installs +0
Review
Mar 10, 2026Protégé is a powerful, open-source ontology editor that enables users to create, edit, and manage ontologies for building intelligent systems. It supports third-party plugins and is widely used in academic and industrial research. Researchers, developers, and data scientists in AI and knowledge engineering will benefit most from this tool.
Protégé is an ontology editor used for creating and managing structured knowledge models or ontologies.
Maturity: The project is stable with regular updates and moderate community engagement.
Community: The app received positive attention on Hacker News, particularly for its role in building intelligent systems, though discussions were limited.
Pros
- + Open-source with a permissive BSD-2-Clause license
- + Supports third-party plugins for extended functionality
- + Cross-platform compatibility
- + Widely adopted in academic and research settings
Cons
- - No automatic updates feature
- - Some reported usability issues and bugs
Community Mentions
hackernews
hackernews
Nov 2013 How to Choose the Right Protégé
hackernews
hackernews
Jul 2012 How to Be a Smart Protégé
hackernews
Positive sentiment Negative sentiment Neutral / unknown