I've found the iD editor on openstreetmap.org to be very good. It's been the main editor since May last year. Potlatch 2 was the main one before that, which wa

I've found the iD editor on openstreetmap.org to be very good. It's been the main editor since May last year. Potlatch 2 was the main one before that, which wasn't as good but was adequate.