Catalyst, like Quantopian, is also built on top of Zipline; but for cryptocurrencies. https://enigmampc.github.io/catalyst/example-algos.html

Zipline (backtesting and live trading of algorithms with initialize(context) and handle_data(context, data) functions; with the SPY S&P 500 ETF as a benchmark) https://github.com/quantopian/zipline

Pyfolio (for objectively comparing the performance of trading strategies over time) https://github.com/quantopian/pyfolio

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"Community Algorithms Migrated to Quantopian 2" https://www.quantopian.com/posts/community-algorithms-migrat...

- "Reply to minimum variance w/ contrast" seems to far outperform the S&P 500.