QuantLib is a cross-platform, quantitative finance C++ library for modeling, pricing, trading, and risk management in real-life. It is also wrapped as Python/Ruby/Scheme modules. Extensions for Excel, R, and Mathematica are available. Other such extensions are under consideration. QuantLib offers tools that are useful both for practical implementation and for advanced modeling. It features market conventions, yield curve models, solvers, PDEs, Monte Carlo (low-discrepancy included), exotic options, VAR, and so on.
phpaga is a Web-based project, task, invoice, and quotation management system, providing a centralized way to keep on top of your day-to-day jobs and activities. Its features include printing invoices, quotations, and task lists to PDF, productivity statistics on a per project or per person basis, financial overview, billing method plugins, and multiple interface languages.
jStock is a tool for technical analysis of stocks. It draws logarithmic charts (candlesticks) based on daily open, high, low, and close for a stock. Both daily and weekly charts are supported, as is volume and a few technical indicators. Data files can be fetched from the Internet and from downloaded files. Notes and user-drawn lines are stored in an (optional) database. Important design parameters have been to maximise the area for the candlestick chart and minimise the user interactions for daily use.
AIOTrade (i.e. Humai Trader Platform) is a stock technical analysis platform with a pluggable architecture that is ideal for extensions such as indicators and charts. It supports parallel quote data retrieval from Yahoo! or ASCII text files, historical (daily, weekly, and monthly), intra-day, and real-time charts, and candle, bar, and line charts. It has a calendar date/trading date view model. "MACD", "OBV", "ROC", "KD", "BIAS", "DMI", "RSI", "MTM", and "WMS" indicators and drawing of "Line", "Parallel", "Gann Angle", and "Fibonacci Line" are supported. You can easily write your own indicators.