A Graph Traversal Language (no longer active - see Apache TinkerPop)
created at Nov. 20, 2009, 5:35 a.m.
A Property Graph Model Interface (no longer active - see Apache TinkerPop)
created at Feb. 8, 2010, 10:17 p.m.
An Object to Graph Framework (no longer active - see Apache TinkerPop)
created at Feb. 26, 2011, 2:21 a.m.