Emacs Lisp

Emacs Lisp is a programming language created in 1985 by Richard Stallman.

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Emacs Lisp is a dialect of the Lisp programming language used as a scripting language by Emacs (a text editor family most commonly associated with GNU Emacs and XEmacs). It is used for implementing most of the editing functionality built into Emacs, the remainder being written in C (as is the Lisp interpreter itself). Emacs Lisp is also referred to as Elisp, although there is also an older, unrelated Lisp dialect with that name. Read more on Wikipedia...

the Emacs Lisp Wikipedia page
Emacs Lisp is backed by GNU Project
file extensions for Emacs Lisp include el, emacs, emacsdesktop and elc
13k users are using Emacs Lisp in at least 17k repos on GitHub
Emacs Lisp is listed on HOPL
Emacs Lisp appears in the TIOBE Index
There is an Ubuntu package for Emacs Lisp
Pygments supports syntax highlighting for Emacs Lisp
GitHub supports syntax highlighting for Emacs Lisp
Emacs Lisp appears in the Quine Relay project
There is a central package repository for Emacs Lisp
See also: Lisp, Common Lisp, Emacs, C, Unix, Bourne shell, Perl, Scheme
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Example code from hello-world:

(message "Hello World")

Example code from Linguist:

(print "Dude!")

Example code from Wikipedia:

(defun switch-to-next-window-in-split ()
  (set-window-buffer (next-window) (other-buffer)))

(advice-add 'split-window-vertically :before #'switch-to-next-window-in-split)

Language features

Feature	Supported	Example	Token
Strings	✓	"Hello world"	"
Print() Debugging	✓		print
Comments	✓	; A comment
Line Comments	✓	; A comment	;
Semantic Indentation	ϴ
MultiLine Comments	ϴ

Trending Emacs Lisp repos on GitHub

repo	stars	description
spacemacs	18408	"A community-driven Emacs distribution - The best editor is neither Emacs nor Vim it's Emacs and Vim!"
doom-emacs	3698	An Emacs configuration for the stubborn martian vimmer
emacs.d	5135	An Emacs configuration bundle with batteries included
prelude	4207	Prelude is an enhanced Emacs 25.1+ distribution that should make your experience with Emacs both more pleasant and more powerful.
Stanford-CS-229-CN	2019	A Chinese Translation of Stanford CS229 notes 斯坦福机器学习CS229课程讲义的中文翻译
lsp-mode	1763	Emacs client/library for the Language Server Protocol
snails	160	"A modern easy-to-expand fuzzy search framework"
melpa	1850	Recipes and build machinery for the biggest Emacs package repo
use-package	2763	A use-package declaration for simplifying your .emacs
emacs	2058	Mirror of GNU Emacs

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