GmapGIS is currently going through maintenace. I will be back up in few hours
GmapGIS is a free web based gis application for Google maps.
Draw lines, polygons, markers and text labels on Google maps.
Save drawings on Google maps as KML file or send the drawing as link.
Measure polygon area on Google map
Build, create and embed interactive Google maps with drawings and labels
Measure route distance on Google map
View and analyse Fusion tables data on Google maps.