Supports the Blueprints and SPARQL.[16][17] Cayley 0.6.1 (April 2017) Free, Apache 2 Go Graph database[18] Dgraph 0.9.4 (December 3, 2017) Free, AGPLv3 for server, Apache 2 for client Go Open source, scalable, distributed, highly available and fast graph database, designed from ground up to be run at web scale.[19][20] DataStax Enterprise Graph v5.1.0 (April 2017) Proprietary Java Distributed, real-time, scalable database inspired by Titan; supports Tinkerpop and integrates with Cassandra[21] Sparksee[22] 5.2.0 (2015) Proprietary, commercial, freeware for evaluation, research, development C++ High-performance scalable database management system from Sparsity Technologies; main trait is its query performance for retrieving & exploring large networks; has bindings for Java, C++, C#, Python, and Objective-C; version 5 is the first graph mobile database GraphBase[23] 1.0.03b Proprietary, commercial Java A customizable, distributed, small size graph store with a rich tool set from FactNexus. gStore[24] 0.4.1 (March 2017) BSD-3 C++ An engine to manage large graph-structured data; open-source for Linux operating systems; written fully in C++, with some libraries such as readline, antlr, etc.; use modes: native, server-client, or distributed.[25] InfiniteGraph 3.0 (January 2013) Proprietary, commercial Java Distributed and cloud-enabled JanusGraph 0.2.0 (October 2017) Free, Apache 2 Java Distributed graph database forked from Titan[26][27][28][29] MarkLogic 8.0.4 (2015) Proprietary, freeware developer version Java Multi-model NoSQL database that stores documents (JSON and XML) and semantic graph data (RDF triples); also has a built-in search engine and a full-list of enterprise features such as ACID transactions, high availability and disaster recovery, certified security, scalability, and elasticity Neo4j 3.1.1 (January 2017)[30] GPLv3 Community Edition, commercial & AGPLv3 options for enterprise and advanced editions Java, .NET, JavaScript, Python, Ruby Highly scalable open source, supports ACID, has high-availability clustering for enterprise deployments, and comes with a web-based administration tool that includes full transaction support and visual node-link graph explorer; accessible from most programming languages using its built-in REST web API interface, and a proprietary Bolt protocol with official drivers; most popular graph database in use as of January 2017[31] OpenLink Virtuoso 8.0 (September 2017) Open Source Edition is GPLv2, Enterprise Edition is proprietary C, C++ Hybrid database server handling RDF and other graph data, RDB-SQL data, XML data, filesystem documents-objects, and free text; may be deployed as a local embedded instance (as used in the NEPOMUK Semantic Desktop), a one-instance network server, or a shared-nothing elastic-cluster multiple-instance networked server[32] Oracle Spatial and Graph; part of Oracle Database 12.1.0.2 (2014) Proprietary Java, PL/SQL 1) RDF Semantic Graph: comprehensive W3C RDF graph management in Oracle Database with native reasoning and triple-level label security.