FMaps is a Geographic Information System and Remote Sensing application which stores its data in a PostgreSQL database. It uses a special GTK+ widget which was originally called GtkFMaps.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.