The Semantic Intelligence Layer for Ontologies
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Topic Catalog
Top ONTOLOGIES GitHub Repositories & Tools (2026)
Discover the most starred and trending open source tools tagged with #ontologies.
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5 matching projects · updated Sep 29, 2026
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The Common Core Ontology Repository holds the current released version of the Common Core Ontology suite.
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Open-source data management for multimodal AI. Query, trace, and govern with a lineage-native, format-agnostic lakehouse for agents and teams. Supports biological formats and registries - by the creators of Scanpy. 🍊YC S22
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The EMBL-EBI Ontology Lookup Service (OLS)
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The Open Context Layer for Data and AI , OpenMetadata is the open platform for building trusted data context and business semantics for humans, AI assistants, and agents.
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