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 database vendors. TinkerPop facilitates the application of graphs to various problems in engineering.
TinkerPop Project. 
TinkerPop: Blueprints. 
TinkerPop:Frames. 
TinkerPop: Pipes.
TinkerPop: Gremlin.
TinkerPop:Rexster. 

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