Data as of Sep 14, 2026 · Based on 3,293,187 AI responses across 10,525 prompts · See how Parse measures this
Protégé is a free, open-source OWL ontology editor used by researchers, organizations, and governments worldwide to build and manage ontologies. It supports the full ontology development lifecycle, from modeling to reasoning and collaboration, and is available as a desktop application or a web-based collaborative tool.
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Excerpts where Protégé appeared in the AI's answer

Protégé / WebProtégé — The gold standard for manual and semi-automated formal ontology creation

Protégé (Ontology Editor): While more manual, this is still a primary industry standard for building detailed ontologies that can incorporate terms from various sources, especially when high semantic accuracy is needed.