Litecoin is a free open source peer-to-peer electronic cash system that is completely decentralized, without the need for a central server or trusted parties. Users hold the crypto keys to their own money and transact directly with each other, with the help of a P2P network to check for double-spending. Litecoin is a fork of Bitcoin.
By default connects to an IRC network to discover other peers.
Full transaction history is stored locally at each client. This requires 5+ GB of space, slowly growing.
This package provides Litecoin-Qt, a GUI for Litecoin based on Qt.