This is a map internet web service based on a huge raster maps or satellite images for tracking and monitoring the mobile objects (cars etc) using GPS.
Denwer is a collection of often-used web-servers for web-programmers. It is used to debug web-sites under Win32. Denwer includes: friendly installer; Apache; PHP; MySQL; Perl; virtual host management system; phpMyAdmin; sendmail stub; start/stop manager.