Moneychanger is a simple client GUI built on top of Open Transactions, a financial crypto library. Moneychanger can be used to create pseudonyms, issue currencies, open accounts, withdraw and deposit cash (untraceable digital cash), write and deposit cheques, trade on markets, and much, much more.
StratosERP is a module set that allows you to use Drupal as a major part of your business operations in areas that Quickbooks and MYOB are lacking. The Drupal node system is used so that almost any other Drupal module can also be added to expand the power of the system. Existing Drupal modules are employed wherever possible, using Views, Gmap, Date, and Calendar modules in particular. The Stratos ERP module can act as the core of a small business, handling all aspects of it except tax reporting and employee payroll. Its features include franchises, stores, quoting/estimates, invoices, purchase orders, payment receipt, stock tracking over multiple stores with the option of tracking by serial number, job tracking, automated item/pricing import from CSV/XLS files via the Web or email, PDF generation of invoices for email, Ubercart item synchronization, POS instant login via RFID tag, and more.
Fairmat is a derivative and capital investments modelling tool. It permits you to build a pricing model for many financial projects (or derivative contracts) using a graphical representation blended with a high level algebraic language. It is also possible to use it to evaluate projects and perform real options valuations. The platform can be extended using a plug-in system.
Stock Volatility Calculator is a spreadsheet that downloads free historical stock data from the Yahoo! database and calculates the historical or realized volatility of the selected stock. The standard deviation of prices is plotted alongside the stock price chart. The user can freely change the stock used by entering the ticker symbol into the appropriate field and performing a fresh download. Users are also able to change the date range used for the stock data, the number of days back to use for the volatility calculation, and the number of volatility days to use.
Mortgage Loan Calculator is a powerful mortgage and loan calculator widget that you can add to your WordPress-based Web site. This calculator can determine what a loan will cost before it is finalized. It takes into account property tax, insurance, and PMI. Attractive, easy-to-understand amortization schedules can be output.