I would like to focus this topic on an overall round-up of what online mapping packages are out their.
- Their Capabilities
- Their costs
- Their pros & cons
- Ease of use
- Examples of them being used
I personally come from a GIS background, working mainly on analysis projects, but have some experience with commerical packages such as ArcIMS and ArcGIS Server, and some experience with web mapping environments such as Google Maps, Live Maps, Mapserver and Openlayers.
There are loads of different packages and dont want to run off lists of every which one, but more focus on the ones that appear to be dominating (such as some of the ones mentioned above).
Not just limited to map display - open to discuss geoprocessing on the web in a client/server model, or even editing over the web.
Again technologies such as Spatial RDBMS can also be delved into if need be (e.g. PostgreSQL, ArcSDE, etc)
Not too sure where to start from that.