Allmaps: Open-source tools for georeferencing and viewing digitised old maps. Library of Congress Maps: Tens of thousands of digitised maps from the US national library.
| Allmaps | Library of Congress Maps | |
|---|---|---|
| Category | Historical & Old Maps | Historical & Old Maps |
| Coverage | Worldwide | Worldwide, strongest for the US |
| Updates | Continuously (community edits) | Periodically |
| Data source | Library IIIF collections | Library of Congress collections |
| Made by | Allmaps | Library of Congress |
| Price | Free | Free |
| Account | No account needed | No account needed |
| On phones | Best on a computer | Works well on phones |
| 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 Library of Congress Maps
- Digitised historical maps
- Sanborn fire insurance maps
- Panoramic city maps
- Free high-resolution downloads
Summary based on public information. Check each map's website for current features and prices.