@rbre uses X3D to let people create, visualize, browse and share genealogical data, by using 2D individual icons assembled in 3D family trees. @rbre will include P2P functions for sharing.
Atavi is an interactive genealogical datavisualization tool. It uses XSLT to transform XML data into SVG (Scable Vector Graphics) images. Deploy it as a Java servlet and explore visualizations from a browser that supports SVG. GEDCOM import is planned.