GnuCash is a free, open-source accounting program that can be used to manage your finances. This program uses simple double entry principles to record your income, expenses, assets and liabilities. You can create any account that you want, specify the account type, and the account gets treated accordingly. This program can also generate reports and financial statements for any period that you specify.
GnuCash is a simple program to use and its interface is not cluttered with complicated options. You also do not need to have any experience in accounting to use this software although it would help you understand its use better. The interface of the program can be tweaked via the Preferences menu along with various options about the accounts that you want to manage including which currency should be used.
There are many commercial accounting programs, but if you are looking for a free program to do simple accounting look no further than GnuCash. This program is cross platform and works on Windows, Mac and Linux.