Mapping Web App
We have developed a Web application in JavaScript designed primarily for use with Ordnance Survey mapping to allow walkers and other recreational users to upload tracks logged on their GPSs and to create and download planned routes to put in their GPSs.
You can see it in action at:
The version you are seeing there is a demonstrator and uses the Ordnance Survey OpenSpace map server or, when we've used all the tiles we're allowed for the day, it switches to our own tiles.