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Developer(s) Orient Technologies LTD
Initial release 2010; 5 years ago (2010)
Stable release 2.0.12 / July 1, 2015; 27 days ago (2015-07-01)
Development status Active
Written in Java
Operating system Cross-platform
Type Document-oriented database, Graph database, Multi-model database
License Apache 2 License
Website orientdb.com

OrientDB is an open source NoSQL database management system written in Java. It is a multi-model database, supporting graph, document, key/value, and object models,[1] but the relationships are managed as in graph databases with direct connections between records. It supports schema-less, schema-full and schema-mixed modes. It has a strong security profiling system based on users and roles and supports querying with Gremlin along with SQL extended for graph traversal. OrientDB uses a new indexing algorithm called MVRB-Tree, derived from the red–black tree and from the B+ tree.


  • Transactional: supports ACID Transactions. On crash it recovers pending documents.
  • GraphDB: native management of graphs. 100% compliant with TinkerPop Blueprints standard for Graph database.
  • SQL: supports SQL language with extensions to handle relationships without SQL join, manage trees and graphs of connected documents
  • Web ready: supports natively HTTP, RESTful protocol and JSON without use 3rd party libraries and components.
  • Run everywhere: the engine is 100% pure Java: runs on Linux, Windows and any system that supports Java technology.
  • Embeddable: local mode to use the database bypassing the Server. Perfect for scenarios where the database is embedded.
  • Apache 2 License: always free for any usage. No fees or royalties required to use it.
  • Light: has a footprint of about 1Mb for the full server. No dependencies from other software. No other libraries needed.
  • Commercial support available.


The original author is Luca Garulli that started in 2010 by rewriting in Java the fast persistent layer of Orient ODBMS database, written in C++. In 2012 the project has been sponsored by Orient Technologies LTD company where the main author Luca Garulli is the CEO and founder.

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