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Top ONTOLOGY GitHub Repositories & Tools (2026)

Discover the most starred and trending open source tools tagged with #ontology.

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4 matching projects · updated Sep 28, 2026 How we rank ↗

#1 TRENDING semantica-agi/semantica Python NEW 2025

Graph-Native Infrastructure for Context and Accountable AI Systems

◇ agent-memory ◇ ai ◇ ai-governance ◇ ai-infrastructure

1.5K ↑ +1 today

#2 TRENDING deeplethe/utopia Rust NEW 2026

World's first open-source enterprise world model.

◇ agent-memory ◇ bitemporal ◇ graphrag ◇ knowledge-base

1.1K ↑ +1 today

#3 TRENDING trustgraph-ai/trustgraph Python 2024

The Semantic Intelligence Layer for Ontologies

◇ agent ◇ agent-runtime ◇ context-graph ◇ determinism

324 ↑ +1 today

#4 TRENDING CommonCoreOntology/CommonCoreOntologies Python 2017

The Common Core Ontology Repository holds the current released version of the Common Core Ontology suite.

◇ applied-ontology ◇ bfo ◇ cco ◇ data-integration

86 ↑ +1 today

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