Blockchain-Library - http://www.blockchain-library.com?ref=1305187144
Moon Bitcoin - http://moonbit.co.in/?ref=ad5d26e59aca
BTC Generator - http://www.thebtcgenerator.com/?id=685899
Bitcoin Space - http://bitcoinspace.net/freebitcoins/?id=884289
Bitcoinpuddle - http://bitcoinpuddle.com/?id=12Au53AQbrxXpDEs2Z8FCLvax6vMwmxfCw