If the sites offer downloads or can be scraped in spatial formats you can use QGIS (free and open source) although you may need to learn some of the basics of g

If the sites offer downloads or can be scraped in spatial formats you can use QGIS (free and open source) although you may need to learn some of the basics of gis like a bit about datums and projections. qgis.org It is exactly for these kinds of spatial analyses that these tools exist. Dev tools might work but this is an existing field with advanced tools you won't code yourself any time soon.