Consider using Arangodb, a multi-model db. Document store, and graph-db in one. Has a query language (aql) that is easy to understand. Joins and relations are e

Consider using Arangodb, a multi-model db. Document store, and graph-db in one. Has a query language (aql) that is easy to understand. Joins and relations are easy to accomplish. Version 3.4 has many new features, like full text search and geojson.