Ruby drivers have been available for a long time. Since the beginning, neo4jrb provided active-record and rails support and later neo4jrb-core offered a lower level driver. They also support the bolt protocol and also a Cypher DSL.
- Neo4j-Ruby-Driver (documentation)
- GitHub Repository for Issue reporting
- Gitter Chat
- Developer Guide
- Example Repositories
- Ruby Course (Udemy)