JOSM gives you the power to do OpenHistoricalMap mapping offline, use custom filters, use custom base maps without tools like Map Warper and much more.
OpenHistoricalMap
JOSM gives you the power to do OpenHistoricalMap mapping offline, use custom filters, use custom base maps without tools like Map Warper and much more.
Discussion
Comment from thbz on %დ %თ %წ at %ს:%წ
The link is broken. I found it (without the illustrations) here.