RPNCalc - The command line Reverse Polish Notation (RPN) Calculator
Financial Derivatives Calculator with 171+ Models (Options Calculator)
Quoter - The Console Based Stock Quote Tool
Library Advanced Financial Mathematics GCC (C++)
Accounting Journal and Ledger and Balance Sheet
A C++ based tool for managing an investment portfolio.
moved to github: https://github.com/malkusch/bav
GeniusTrader is a stock market trading systems toolkit
A professional, open source, much of use for students and c++ pioneer