IDLE

vs

GNOME Builder

TextWrangler is an all-purpose text and code editor for macOS. TextWrangler is now BBEdit.

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.

gedit is a free and open source IDE native to the GNOME desktop environment. With gedit you can work with a wide range of programming languages including C, C++, Java, JavaScript, HTML, XML, Python and Perl. The IDE automatically detect programming language and provide code color highlighting accordingly. It also include features like search and replace, spell checking, printing and support for most filte types.

Qt Creator is a cross-platform integrated development environment (IDE) built for the maximum developer experience. Qt Creator runs on macOS, Linux and Windows desktop operating systems, and allows developers to create applications across desktop, mobile, and embedded platforms.

GNU Emacs is an extensible and customizable, free and open source text editor. It was created by GNU Project founder Richard Stallman and has been dubbed "the most powerful text editor available today". At the core of GNU Emacs is an interpreter for Emacs Lisp, a dialect of the Lisp programming language with extensions to support text editing. Which allows users to extend and customize GNU Emacs to their heart's content.