What is the best free mmorpg to make a guild on?

Im thinking about makeing a guild with less than 10 menbers but I dont know the best mmorpg to do it on. Dont say maple story since a guild is very expencive on there.|||Grand Fanstasia its awesome|||Check out http://TheBigMMORPGList.com it has a huge list of over 400 and growing MMORPG / MMOFPS games in key categories such as Free to play (F2P), Pay to play (P2P), 2D, 3D, Browser based and so on. I guarantee you'll find the kind of game your looking for there.