Esri today reported it's committing up to $1 billion in free accounts for its cloud-based GIS mapping software, hosted through Amazon Web Services. Amazon said it's committing AWS resources for three ...

MapWindow GIS (www.mapwindow.org) is a free GIS that you can use without needing to have ArcView or ArcGIS. Once you've added the MMP Tools plug-in to MapWindow, you can follow the instructions below ...