OrientDB is a multi-model NoSQL database that combines graph and document data in one system. Relationships are stored as direct links between records, so no joins are needed, and according to the project site graph traversal speed is not affected by database size. The package includes a graphical editor, Studio for running queries, and a command-line console. OrientDB is installed and operated by you; no provider hosts it as a service.
The software is licensed under Apache 2. It was developed by Luca Garulli and his company Orient Technologies, which CallidusCloud acquired in 2017; SAP acquired CallidusCloud in 2018. At the end of 2023 SAP ended commercial sales and support and released the enterprise features as open source under the same licence. According to the project, the roadmap is now set by the open-source community, of which SAP remains a member. Because you run it yourself, you decide where the data lives; support comes only from the community.