http://www.thetangledweb.net/addon.php? ... tent_id=10
Just the viewpoint of an OpenRPG+ fan who helps run the site there of Gleemax, Maptools and OpenRPG+. She compares all three different tools, and gives a rundown of what each does in a basic manner.
Tangledweb article about comparisons of tools
Moderator: Azhrei