Allmaps: Open-source tools for georeferencing and viewing digitised old maps. Historic Aerials: Historical aerial photos and topographic maps of the United States.
| Allmaps | Historic Aerials | |
|---|---|---|
| Category | Historical & Old Maps | Historical & Old Maps |
| Coverage | Worldwide | United States |
| Updates | Continuously (community edits) | Static archive |
| Data source | Library IIIF collections | Historical aerial photography archives |
| Made by | Allmaps | NETR Online |
| Price | Free | Free + paid plan |
| Account | No account needed | No account needed |
| On phones | Best on a computer | Best on a computer |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with Allmaps
- Georeference IIIF maps in the browser
- Overlay old maps on modern maps
- Open source and open standards
What you can do with Historic Aerials
- Aerial photos from many decades
- Historical topo maps
- Timeline by year
Summary based on public information. Check each map's website for current features and prices.