The Ordnance Survey charges a lot for most data, so what are the other options?
Please include where I can buy the dataset and how much it costs?
What techniques do people use when protecting data (e.g., preventing a user downloading the whole dataset) they are overlaying on top of Google/Yahoo/Bing etc.?
Related to this question. For example, things like: political world map (as polygons) cities of the world geolocated climate data (avg temp, humidity, rain, as polygons), earthquakes, hurricanes ...
Where can I find the shapefiles for Canadian postal codes?
I don't want to use WMS layers, but to actually store the data in my local server, where can I find street data from the world?
Does anyone know a source from which to download vector UK Ordnance Survey grids at varying resolutions? Or failing that, a tool that can create an OS grid at a specified resolution? There are plenty ...
I'm working on a project involving roads. The quality of the service would benefit from knowing if a given road is continuous or if it's broken up by stop signs, traffic signals, and other things ...