neo4j costs $$$$ but two high impact / low use cases:
1) Modeling agent memory
2) Storing your db ontology + explanations of the signifigance of key relationships, attributes, etc

your agent will traverse these paths like our minds traverse neurons

and the db size required is relatively small

neo4j

/scribble inminiapp scribbling and nft minting

yup exactly. cypher is so intuitive, and then apoc/gds are very full-featured as well

theres other free graph databases but i do love neo4js query language its so intuitive