Made for map navigation, geocoding, and route planning. Latitude Geographics Group Ltd. Geography Network - An Internet portal to spatial data, launched in July of 2001. Seamlessly integrate third party databases into your own internet and desktop GIS applications. GeoTools - Free open source java toolkit for producing interactive maps on the web. Supports the shapefile format but support for others, including GML is in development.
All source code is available.
This site provides a host of interactive maps in support of the work of the UNEP World Conservation Monitoring Centre. These maps show conservation and environment issues in a easily amended format for browsing on the web. MapObjects Internet Map Server - With ESRI's MapObjects IMS you can download and distribute both vector and raster data over the Internet. FREE viewing online USGS Topographic Maps, NOAA Nautical Charts, Aeronautical Charts and high altitude photography. Includes total US coverage.