IDLE
PyCharm
Spyder
iPython
Thonny
PyDev
Wing IDE
PyScripter
Quantopian
QuantConnect
Backtrader
CloudQuant
QuantRocket
Gekko Plus
Intrinio
Quantreex
IDLEPyCharm - Python & Django IDE with intelligent code completion, on-the-fly error checking, quick-fixes, and much more...
QuantConnect - QuantConnect provides a free algorithm backtesting tool and financial data so engineers can design algorithmic trading strategies. We are democratizing algorithm trading technology to empower investors.
Spyder - The Scientific Python Development Environment
Backtrader - Backtrader is a complete and advanced python framework that is used for backtesting and trading.
iPython - iPython provides a rich toolkit to help you make the most out of using Python interactively.
CloudQuant - Crowd based algorithmic trading development and backtesing for stock market trading.