Finance::Quote is a Perl module which can fetch on-line stock quotes, including those from American, European, Canadian and Australian markets. Information from a number of investment houses is also available. Features include currency lookups and conversions, automatic failover support, and loadable user modules.
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.
GnuCash allows you to track bank accounts, stocks, income, and expenses. As quick and intuitive to use as a checkbook register, it is based on professional accounting principles to ensure balanced books and accurate reports. It is backed by an active development community and is blossoming into a full-fledged accounting system.
RAPID provides stock/commodity charts, buy/sell tax accounting and trade profit graphing, plus dozens of technical analysis tools, including trendlines, point and figure, candlesticks, simple exponential and weighted moving averages, volatility, macd, stochastics, wilder DMI, standard deviation bands, trendlines, time-horizon lines, fibonacci, slope, momentum, OBV, CCI, bollinger bands, probability osc, cycle finder, derivative and integration chart, Williams Accumulation and distribution, etc.
Sgraph is a utility to create graphs from data supplied by the user. It creates standard stock charts, using open/min/max/close and volume data. Another goal is to create a set of functions that can serve as a static library, to interface with your stock data manipulation routines.
smtm (Show Me The Money) is a Perl/Tk ticker, profit/loss calculator, and chart tool. It can display up to ten fields per share, among them company name, price, absolute and relative price changes as well as net wealth change (if the number of shares held is supplied). Other assets such as options, mutual funds, currencies are also supported. Foreign stocks are treated via cross-currency pairs that translate into domestic units. Charts can be launched with one click, and all the charts available at Yahoo!, including all of the advanced moving average and technical analysis features, can be displayed. Stocks can be added and deleted, and the selection can be stored. smtm has been used with US, Canadian, European, Asian, Australian/New Zealand, and South American stocks. Firewalls are fully supported, including user/password support.