opentxs
Financial cryptography library.
opentxs is the linux packaging of the Open-Transaction library.
Open-Transactions uses strong cryptography for financial and monetary actions. You can use it for issuing currencies/stock, paying dividends, creating asset accounts, sending/receiving digital cash, writing/depositing cheques, cashier's cheques, creating basket currencies, trading on markets, scripting custom agreements, recurring payments, escrow, etc.