Geocoding tools

Here comes some webpages very usefull to geocode datas. The main purpose of it is to obtain automatically (and freely) the GPS coordinates from a list of addresses, so to be able to cross those information with quantitive or qualitative informations (demographical, financial, networks…). Once the GPS informations obtained you can use a huge range of SIG or network tools like uDig, Gephi,  QGIS, and so on…