SVG Map consortium released SVG Map Toolkit 0.3.0 that aims to become a standard Web Map platform. It is also high-performance SVG Viewer for Internet Explorer that enhances the SVG 1.1 Tiny specification.

SVG Map Toolkit can be downloaded from the following link.
http://blog.svg-map.com/2007/12/svg_map_toolkit.html

Moreover, the world SVG map based on VMAP can be browsed from the following link by using SVG Map Toolkit.
http://blog.svg-map.com/2007/11/tiny_svg_base_m.html

This map is scrollable and zoomable. And, In a part of region in Japan, 1:25000 scale map that Geographical Survey Institute of Japan is publishing will be able to be browsed by zooming up.