orientdb

OrientDB is an open-source multi-model NoSQL database management system that supports native graphs, documents, full-text search, and object-oriented concepts, offering a flexible schema system. Notable features include ACID transaction support, a strong security profiling system, and compatibility with SQL for ease of use, making it suitable for applications that require rapid data traversal without the overhead of expensive joins. The tool is written in Java, allowing it to run on any platform without complex configuration.