I recognized the name, but I hadn't checked it out. It seems like a nice alternative to Roll20 in that it runs through a browser, which is a large bonus. The retro feel of MapTools still appeals to me. Maybe I'll use both.I have used it, but not for years. More recently I've been using Owl Bear Rodeo

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.