Category: Graphs and Data Stores – Free Software

Apache Giraph

Apache Giraph is an iterative graph processing system built for high scalability. For example, it is currently used at Facebook to analyze the social graph formed by users and their connections. Giraph originated as the...

TinkerPop

TinkerPop: an open-source graph software group, provide a stack of technologies (called the TinkerPop stack). The stack starts just above the database layer (just above the graph persistence layer) and connects to various graph...

HyperGraphDB

HyperGraphDB: A general purpose, extensible, portable, distributed, embeddable, open-source data storage mechanism (available under LGPL license). Download HyperGraphDB. LINK

Neo4j

Neo4j: a high performance open-source embeddable or standalone graph database. Good integration via Java, Grails, PHP, .NET, REST, Rubyetc. High Availability and Online-backup available. LINK