A high-performance algorithmic trading platform
Source code of the recurrent donations platform Liberapay
Offline double-entry accounting software designed for Accountants
Mirror of the TA-Lib project using a Git repository
Zipline, a Pythonic algorithmic trading library
Abu quantitative trading system (stocks, options, futures, bitcoin)
An other free stock market software in C++/Python
A C++ and Python library for finance, statistics and linear algebra.
geurocalc is a euro converter/calculator