- Ansible - http://www.ansible.com/
- GDAL - http://www.gdal.org/
- GEOS - http://geos.osgeo.org/
- GRASS GIS - http://grass.osgeo.org/
- LTSP - http://www.ltsp.org/
- Vagrant - http://vagrantup.com/
- VirtualBox - https://www.virtualbox.org/
- Ubuntu Linux - http://ubuntu.com/
- PostGIS - http://postgis.net/
- PostgreSQL - http://www.postgresql.org/
- QGIS - http://www.qgis.org/
- SpatiaLite - http://www.gaia-gis.it/gaia-sins/
- and other Open Source libraries and server technologies