Money Manager Ex is a free, open-source, cross-platform, easy-to-use personal finance software. It primarily helps organize one's finances and keeps track of where, when and how the money goes. It is also a great tool to get a bird's eye view of your financial worth.
Money Manager includes all the basic features that 90% of users would want to see in a personal finance application. The design goals are to concentrate on simplicity and user-friendliness - something one can use everyday.