What is Emacs?

GNU Emacs is an extensible, customizable text editor—and more. At its core is an interpreter for Emacs Lisp, a dialect of the Lisp programming language with extensions to support text editing. An extensible, customizable, free/libre text editor — and more. At its core is an interpreter for Emacs Lisp, a dialect of the Lisp programming language with extensions to support text editing.

The features of GNU Emacs include

• Content-aware editing modes, including syntax coloring, for many file types.
• Complete built-in documentation, including a tutorial for new users.
• Full Unicode support for nearly all human scripts.
• Highly customizable, using Emacs Lisp code or a graphical interface.
• Highly customizable, using Emacs Lisp code or a graphical interface.
• A wide range of functionality beyond text editing, including a project planner, mail and news reader, debugger interface, calendar, IRC client, and more.
• A packaging system for downloading and installing extensions.

official gnu.org/software/emacs


src stackshare.io/emacs