GDC
GrandCoin [GDC] is a descendant of Litecoin, it pays 1 grand per block. There is a 45 second block time - with 50 confirmations needed for a mined block to mature - and a 6 block transaction confirmation time. The TX fee is 0.1%. The difficulty is retargetted every block and the block reward halves every year. Alongside the system supports transaction messaging.