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.
Homemoney - HomeMoney: free service for planning of personal budget, family budget, small business budget. Possibility to reduce expenses and budget planning, accounting for small business.
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.
YouNeedABudget - Personal home budget software built with Four Simple Rules to help you quickly gain control of your money, get out of debt, and reach your financial goals!