Zipline - algorithmic trading in open source Python
Zipline, a Pythonic Algorithmic Trading Library. Contribute to quantopian/zipline development by creating an account on GitHub.
Zipline - algorithmic trading in open source Python launched on February 1, 2013 with 157 votes, #8 of 551 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 13 years on.
In plain words
Zipline is an open-source Python library for algorithmic trading that enables developers to write and backtest trading strategies. It provides a Pythonic framework for creating automated trading systems and is hosted on GitHub for community contribution and development. The tool is designed for programmers and traders who want to build, test, and refine trading algorithms using Python.
written from the facts on this page · September 2026
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