Macrocosm

http://www.macrocosm.enjin.com
Macrocosm is about building, leveling, exploring and playing with a close knit community of players. If you want to concentrate on a solo build, build a massive town with other players, make a lot of money or build a market, Macrocosm is about playing the way you want with a variety of choices and gameplay styles.

Other Features
Dynmap – over view maps of all worlds that shows player positions and helps you plan you builds or find each other.
Mumble – talk in real time with our free mumble chat server.
Events – we are always planning new server events and contest
Player Economy – you can build shops and sell your goods to other players.
Mob Hunting – you kill mobs and can earn money
Portable Horses – store your horse in your inventory for easy transport
Creative World – build in survival or creative world
Achievements – server achievements to earn special ranks, titles and prefixes.
Purchasable Ranks and Town features
and much more.