Advanced Stock Tracking System (AST) is a Web-based application for keeping track of stocks.

Advanced Stock Tracking System provides the individual investor with a powerful set of tools for making financial decisions.

Adventure Money project quickly calculate money shared each month between multiple people for multiple bills.

American Express Expense Report to QIF Converter is a utility that converts American Express expense reports into QIF.

Amortization Schedule Calculator lets you estimate your monthly loan repayments.

appx BANG! project is an Business Application suite, like all open source software, is free.

AqBanking is a modular and generic interface to online banking tasks.

AqMoney is a console tool for home banking using OpenHBCI and Libchipcard.

ASTPP is a billing solution for Asterisk.

Autohouse II is an invoicing system for small repair shops.

BADGER finance is an open source financial management application for end users.

BeanCounter enables stockmarket data analysis and performance evaluation.

Beanie is a flexible, distributed accounting system for medium-sized companies.

Billing Software allows your business to track invoicing and allows your customers to view their invoices online.

BlogTrader Platform is a free, open source stock technical analysis platform.

Blue ERP is a Web based ERP application.

Brinance is a commandline financial planning and tracking program.

Buddi is a simple budgeting program targeted for users with little or no financial background.

Budget Calendar is a very simple budget and payment planning application.

Canadian Payroll calculates Canadian payroll taxes, CPP, EI, WCB, HP and more.

CartStart is a shopping cart project in three parts.

CCAPI is a financial application library for Java.

cheapskate is a simple Ruby on Rails application for personal budgeting.

ChkBk is a simple, yet functional checkbook registry program.

CK-ERP is an accounting/ERP/CRM system that runs on top of eGroupWare.