Travel & Location Software for Linux
Mapserver
MapServer is an free and open-source platform for publishing spatial data and interactive mapping applications to the web. Originally developed in the mid-1990’s at the University of Minnesota, MapServer is openly developed and released under an MIT-style license, and runs cross-platform on macOS, Linux and Windows. MapServer is not a full-featured GIS system, nor does it aspire to be.
QGIS
QGIS is a free and open-source software that can be used access planetary imagery and geospatial data. The platform is openly developed and released under the GNU GPLv2. With QGIS, users can view, edit and analyse geospatial data cross-platform, for Android, macOS, Linux and Windows.