# #od2og — Open Data to Open Graphs > Open-source community turning messy public data into queryable, AI-native knowledge graphs that anyone can explore, extend, and build on. #od2og is a playground for ontologies, taxonomies, and knowledge graphs built from public datasets. We publish open-source graph repositories that ground AI systems with real-world domain context. ## Pages - [Home](/): Mission, capabilities, glossary of key terms, and the catalogue of graphs we've built. ## Optional - [GitHub](https://github.com/od2og): Source code for all #od2og graphs and tooling.