Alzex Personal Finance - Personal Finances is an elegant, super easy accounting software for home users.
Ledger-cli.org - Ledger is a powerful, double-entry accounting system that is accessed from the UNIX command-line.
Money Lover - Money Lover is a great yet simple manager for tracking your personal finance, i.e.
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Money Tracker Pro - K-Tech Systems - experts in the world of .Net
GnuCash - A personal and small-business financial-accounting software, licensed under GNU/GPL and available for Linux, Windows, Mac OS X, BSD, and Solaris.