Relations graphs
VIS (OCCRP) Visual Investigative Scenarios
https://vis.occrp.org/ ++ open library with cases examples
Geocoded information
Network Atlas Improves Visualization of Global Internet Infrastructure
https://www.submarinenetworks.com/en/insights/network-atlas-improves-visualization-of-global-internet-infrastructure
OpenStreetMap
https://www.openstreetmap.org
keywords: geolocation, opensource
usecase: identify adress country of origin, question borders status
uMap
https://umap.openstreetmap.fr/fr/
usecase: draw quick a map with indicators
Harvard Geospatial Library
http://hgl.harvard.edu:8080/opengeoportal/
usecase: maps generation on many topics such as ressources, conflicts with discriminative layers