1. Cypher. http://neo4j.com/docs/stable/cypher-query-lang.html. Cypher. http://neo4j.com/docs/stable/cypher-query-lang.html.
2. Gremlin. https://github.com/tinkerpop/gremlin/wiki. Gremlin. https://github.com/tinkerpop/gremlin/wiki.
3. InfiniteGraph. http://www.objectivity.com/products/infinitegraph/. InfiniteGraph. http://www.objectivity.com/products/infinitegraph/.
4. Neo4J. http://neo4j.com. Neo4J. http://neo4j.com.
5. Analytics workbench 2015. http://www.analyticsworkbench.com. Analytics workbench 2015. http://www.analyticsworkbench.com.