http://e4graph.sourceforge.net e4graph is a C++ library for providing persistent storage for graph data. [[Explain.]] [[Cool things: swappable, even scriptable, back end, at least architecturally. Arbitrary data stores. Conceptual power. Embeddability. Portability of data and source. Screaming performance. ...]] ---- e4Graph makes a prominent appearance in a [developerWorks] article [http://www-106.ibm.com/developerworks/xml/library/x-hipersis.html?loc=dwmain] on high-performance XML (which subject, incidentally, ought also focus attention on [tDOM]. ---- [Category Package]