Mortar is Hadoop in the cloud—an on-demand, wickedly scalable platform
for big data. Start your work in the browser—zero install. Or if you need more control, use Mortar from your own machine, in your own development environment.
Neo4j is an open-source, high-performance, NOSQL graph database, optimized for superfast graph traversals. With Neo4J, you can easily model and change the full complexity of your system.
Neo4J was listed as a “big data vendor to watch in 2013” by Infoworld.