Quantitative traders and analysts need a robust, well-documented, open-source backtesting platform for trading strategies that provides useful tear sheets and built-in functions, as existing open-source options are either poorly maintained or lack adequate documentation.

Existing open-source backtesting platforms like Quantopian/Alphalens/Zipline are poorly maintained and have terrible documentation, making them difficult to use effectively for out-of-sample backtesting and producing useful tear sheets.