GnuCash is a personal finance manager. A check book-like register GUI
allows you to enter and track bank accounts, stocks, income, and even
currency trades.

Feature Highlights:

* Double-Entry Accounting;
* Stock/Bond/Mutual Fund Accounts;
* Small-Business Accounting;
* Reports, Graphs;
* QIF/OFX/HBCI Import, Transaction Matching;
* Scheduled Transactions;
* Financial Calculations.