GNU Emacs Lisp Reference Manual:The official resource for all Elisp questions.
BHL mode for Emacs: Convert plain text into HTML, LaTeX and SGML.
Dave Pearson's Emacs Stuff: Some helpful Emacs packages.
David Wang: Provides an extended awk-mode, an improvement on the dabbrev package and a package for parallel programming with MPI in Fortran and C/C++.
Dictionary: Package for talking to a dictionary server.
Easymacs: An easy-to-learn, one-size-fits-all configuration for new users of GNU Emacs. It sets up key bindings that conform to a common denominator of the Gnome/KDE/OS X/Microsoft Windows human interface guidelines, and provides function-key bindings for other powerful Emacs features. It also installs a number of packages useful for working with Latex and XML files that do not come with Emacs itself.
emacs at levana.de: Emacs Lisp software including etexshow (Browser for ConTeXt commands), recent files menu, tea timer, evening commander.
Emacs Code by Stephen Eglen: Various modes provided by the maintainer of the ELL.
Emacs Lisp Packages by C.Queinnec: Descriptions and downloads for: defaultbanner, defaultcontent, foldingo, fracc, genconv, mousymacro, sigadapt, supertab, todo.
Emacs Packages: Packages for: buffer selection and cycling by C-TAB; fast navigation through toplevel definitions; Gimp Script Fu; highlighting regular expressions, current word.
Emacs Stuff: Emacs background with custom lisp packages, code snippets, and resources.
Eric Marsden's Download Page: Beside Common Lisp and Scheme files, various Elisp packages are available. Amongst others there is an implementation of the Internet Printing Protocol, a HTTP server embedded in Emacs, and a simple library for the Common Gateway Interface, which allows you to service requests for non static web pages.
ESS : Emacs Speaks Statistics: Package provides support for many statistical languages such as the S family, SAS, or XLS.
Flyspell: A package for on the fly spell checking.
FreeBSD Ports: Elisp: Emacs-Lisp packages for FreeBSD users.
Harley Gorrell's Elisp: Various modes for editing crontab files or DNA sequences, an addition to perl-mode, and footnote support.
Howm: A wiki-like note-taking tool on Emacs.
Introduction to Emacs Lisp Programming: (Second Edition) Official Free Software Foundation manual.
Ispell.el: The development site which contains the latest beta releases of the Emacs interface to ispell not yet included into the standard distributions.
Jerry Chen's XEmacs Lisp Hacks: Featuring multiple major modes in a buffer, a line number mode and a mode for displaying vertical bars.
John Wiegley's GNU Emacs Resources: Includes the Eshell, a command line shell based on Emacs Lisp, and Pcomplete, which provides context-aware completion.
Lookup: Search interface to access dictionaries online from within Emacs.
Malyon Interpreter: Major mode for playing z3/5/8 story files. A z-code interpreter written entirely in elisp.
Martin Schwenke's Emacs Hacks: Including a mode for eiffel, a stand-alone version of gnuserv for GNU Emacs, and desire.el, a configuration helper package for Emacs.
MMM Mode: A package to use multiple major modes in one GNU Emacs buffer.
Modes by Alex Schoeder: Latest versions of SQL mode, master mode, the ANSI color package, a copy of Tinytalk, and patches to comint mode and BBDB.
Muse Mode: An environment that supports rapid creation of hyper-linked documents in Emacs, which may then be published to multiple output formats in an attractive fashion.
Noah Friedman's Elisp Archive: Collection of major and minor modes, user interface enhancements, and library routines.
Online Journal Software for Emacs: This package allows you to keep an index to your personal journal.
Programming in Emacs Lisp: Introduction into the world of elisp.
RV's Emacs-Lisp Archive: Featuring p4.el and whitespace.el.
S. Zenitani's Emacs Lisp Packages: Emacs Lisp programs featuring smart-compile.el, an intelligent M-x compile, a-menu.el and mac-drag-N-drop.el. Also offers a Carbon/Mac OSX distribution of emacs.
Session: A package to save various variables and registers which reflect your current editing state to a file which is loaded into your next session.
Shemacs: An Egret-based package that provides concurrent multi-user shared editing within Emacs.
Storm's Emacs Resources: Featuring cua.el, a package to provide the CUA Key binding for cut, copy, and paste without losing the normal Emacs key bindings. Also featuring ido.el, a package providing highly interactive versions of find-file and switch-to-buffer.
Template: Packages for auto-updating and file templates.
The Emacs Lisp List: Collection of links to Elisp packages mostly not part of the standard distributions.
Tiny Tools Library: Collection of packages to improve your Emacs environment.
TJIC's Emacs Packages: Approximately 30 emacs lisp packages (all free software) including string utilities, blog tools, tweaks to rmail.
Verilog Mode: A mode to edit Verilog HDL files with Emacs.
Vinicius Emacs Page: GNU Emacs packages featuring printing support, highlighting whitespace and the current line.
X-Symbol: Get some kind of WYSIWYG in LaTeX and HTML source.
Zenirc: Emacs as an IRC client.