QuantConnect provides a free, open-source algorithmic trading platform that allows users to design, test, and deploy trading algorithms.
Alpaca is a commission-free trading platform that offers a free paper trading environment and API access to develop and deploy trading algorithms.
Zipline is an open-source algorithmic trading library in Python that is well-suited for backtesting trading strategies.
Backtrader is another Python library for backtesting and live trading. It's open-source and offers a range of features for strategy development and testing.
Gekko is a free and open-source Bitcoin trading bot that can be run on your local machine. It's highly customizable and supports backtesting as well as live trading.
Freqtrade is an open-source cryptocurrency trading bot that allows users to develop and backtest trading strategies in Python.
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