Personnal accounting software

GFP - A free java based personal finance manager with the ability to run on any operating system.

GnuCash - Open source financial accounting software to manage personal and small business expenses and incomes.

Buddi - A simple budgeting program for users with no financial background.

KmyMoney - Easy to use, accurate open source personal finance manager built to suit the needs of non-technical users. It provides all the features available in a commercial application. Linux Users.