IDLE

vs

Eclipse

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.

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.

With RubyMine you can produce high-quality code more efficiently, thanks to first-class support for Ruby and Rails, JavaScript and CoffeeScript, ERB and HAML, CSS, Sass and Less, and more. RubyMine is IDE specifically designed for the programming language Ruby. It allows developers to take advantage of the language specific-aware syntax & error highlighting, code formatting, code completion, and quick documentation.

Over 4 million people use UltraEdit for their development needs. UltraEdit is flexible, powerful, and secure text editor that provides powerful and intuitive multi-caret editing and multi-selection capabilities, HTML and Markdown live preview, advanced file and folder search, horizontal editing through column mode and much more. UltraEdit also integrates with FTP, SSH and Telnet, making it easy to push your code to remote servers without CI/CD. The software is available for Windows, Mac, and Linux.