GNU Emacs

GNU Emacs is a free, customizable, and extensible text editor. The application allows users to edit text in a wide variety of formats, including plain text, HTML, LaTeX, and other programming languages. Its key differentiation lies in its ability to be incredibly customized using Emacs Lisp, a powerful programming language.

GNU Emacs has a range of built-in features that allow for efficient editing, such as syntax highlighting, code completion, and command-line integration. Additionally, the application supports various plugins and third-party packages, which can further extend its capabilities. With its vast array of customizable options, GNU Emacs is a versatile tool used by programmers, writers, researchers, and anyone who needs a powerful and flexible text editor.