The wallet you refer to, is the QT wallet MoparMiningLLC mention. "QT wallet" term is generic and it refers to a wallet based on QT GUI library on the same codebase hundreds of other coin developers use (I believe it was derived from the original Bitcoin wallet developed long time ago). All those wallets look similar, like this one: .

Also - though QT wallet needs money to develop (like basically anything in this world), it only needs one-time development efforts + periodic update. No servers needed, because the technology is peer-to-peer. Sorry, if what I wrote, is trivial, but I just wanted to leave this here, so newbies could have a bit better understanding of this topic.