MapBuilder

location based services

MapBuilder is a powerful, standards compliant geographic mapping client which runs in a web browser.
Key Features
Browser based mapping client
Standards compliant, supports the Open Geospatial consortium(OGC) standards
Renders maps from Web Map Services (WMS), Web Feature Services (WFS), GeoRSS, Google Maps
Supports editing map features to Transactional Web Feature Services (WFS-T)
Allows users to build their own maps, then save and share them, using Web Map Context (WMC) and Open Web Services Context
Easy to use
Fast and interactive - built using AJAX
Works with most modern browsers (Firefox 1.0+, Internet Explorer 6.0+, Mozilla 1.3+, Navigator 6+)
Customisable and easy to extend
Open source under the LGPL licence
No plugins required
If you wish to learn more, you can try the on-line interactive tutorial or the Examples and read the on-line user-guide.