PyScripter

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PyDev

PyCharm is an integrated development environment (IDE) designed and developed by JetBrains specifically for the programming language Python. With PyCharm you can boost code quality and write maintainable code while maintain standards with PEP8 checks, testing assistance and smart refactoring. PyCharm also provides thorough intellisense with smart code completion, code inspection and real-time error highlighting. PyCharm is released as a commercial software but can be obtained for free as PyCharm Community Edition with a minimal limited feature set that close resembles the commercial version.

IPython is a powerful, free and open-source interactive shell used for interactive computing. It's an alternative to the Python interpreter that provides improvements over its default counterpart. These improvements include syntax highlight, proper indentation, documentation, and much more. With iPython, you can use Jupyter notebooks to create reports that contain live code, charts, and more interesting things for data science and data visualisation.

IDLE is the default IDE which come installed with the programming language Python. The editor provides syntax highlighting, search features, class browsers, and runs Python scripts in a separate, protected process. IDLE was designed to be intuetive and simple to use, so that it can be a useful tool for people learning Python for the first time.