Lean Engine
QuantConnect’s open-source algorithmic trading engine for research, backtesting, and live trading.
EXPLORE A TOPIC
Quant Backtesting Tools
Tools for quant backtesting.
QSTrader
An open-source Python backtester for systematic equity and ETF portfolios.
PyBroker
A Python backtesting framework with machine-learning support for trading strategies.
Lumibot
A Python framework for AI-assisted and rule-based algorithmic trading.
NautilusTrader
An open-source trading platform with a Rust core and Python strategy API.
Backtesting.py
A Python framework for testing trading strategies on historical price data.
Zipline Reloaded
An event-driven Python engine for backtesting trading strategies.
Backtrader
An open-source Python framework for strategy backtesting and algorithmic trading.
vectorbt
A Python library for fast, vectorized backtesting and quantitative analysis.
QuantRocket
A Python-based platform for market data, quantitative research, backtesting, and trading.
QuantConnect
A platform for researching, backtesting, and live trading multi-asset quantitative strategies.