MoneyManagerEx

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.

Application Details:

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