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.
GBonds is a savings bond inventory program for GNOME. It allows you to track the current redemption value and performance of your U.S. Savings Bonds and keep a valuable record of the bonds you own. Gbonds is similar in functionality to "Savings Bond Wizard" for Windows distributed by the U.S. Treasury.
GreatCharts is used for creating good-lookings stock charts. It was mainly developed for stock Web sites, to create on-the-fly charts. Small charts (closing+volume) can be drawn in less than 10ms. It can read different input formats, and can draw up to 20 charts in one PNG with different scales. The supported types are: Closing, OHLC, Volume, and Candlestick. The supported formulas are: Moving, Moving Average, RSI, MACD, and Stochastic. The supported drawing types are: line, filled, bar, and filled bars (filled can be transparant to the background/underlaying plots). Everything is configurable through a config file and parameters, including your own background, sizes, etc.
Merchant of Venice is a stock market trading programme that supports portfolio management, charting, technical analysis, paper trading, and experimental methods like genetic programming. It features a graphical user interface with online help and includes full documentation. It runs on UNIX, Mac OS X, and Windows.