Allmaps: Open-source tools for georeferencing and viewing digitised old maps. old-maps.co.uk: Historical Ordnance Survey maps of Great Britain by address.
| Allmaps | old-maps.co.uk | |
|---|---|---|
| Category | Historical & Old Maps | Historical & Old Maps |
| Coverage | Worldwide | Great Britain |
| Updates | Continuously (community edits) | Static archive |
| Data source | Library IIIF collections | Historical Ordnance Survey maps |
| Made by | Allmaps | Landmark Information Group |
| Price | Free | Free + paid plan |
| 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 old-maps.co.uk
- Search historical OS maps by postcode
- Several dates per location
- Order prints
Summary based on public information. Check each map's website for current features and prices.