Pandas - Pandas is an open source library providing high-performance, easy-to-use data structures and data analysis tools for the Python.
QuantConnect - QuantConnect provides a free algorithm backtesting tool and financial data so engineers can design algorithmic trading strategies. We are democratizing algorithm trading technology to empower investors.
NumPy - NumPy is the fundamental package for scientific computing with Python
CloudQuant - Crowd based algorithmic trading development and backtesing for stock market trading.
xlwings - xlwings is a Python library that makes it easy to call Python from Excel and vice versa
Streak.world - Streak.world is one of the leading algo trading platforms, allowing you to design an algorithm to automate your trading strategies without any coding skills needed.