http://svg-edit.googlecode.com/svn/trun ... ditor.html
Tonight I used it to draw a quick map, saved to my desktop, loaded into svg2map and BAM!, done (with a few tweaks). Very handy. I don't know how long it will be there or how much development it will get but it's pretty cool. If it stays up we should add the link to wiki.arma under map making.
