Writen in JAVA to parse Bitcoin blockchain .dat files.
After running bit.coin.Parser:
read <n> Read n blockchain files.
blocks Get total number of parsed blocks.
print <n> Print n blocks.
transactions <n> Get n's block transactions number.
transactionsA <addr> Get all transactions from address.
transactionsB <n> All transactions with at least n Bitcoin value.
balance <n> Addresses balance at least n.