Hey y'all! Interested in the Lightning Network or Y'alls?
Y'alls is developed by Alex Bosworth as a test case for the Lightning Network.
Y'alls uses lnd, an Go implementation of the Lightning Network protocol.
btcd (roasbeef fork) is used for chain-sync. This provides chain data to lnd.
Mainnet Y'alls too hot for you? Retreat into the beckoning safety of Testnet.