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Fully customizable, largely undocumented web browser for Emacs

W3 is a full-featured web browser, written entirely in Emacs Lisp. It is maintained as part of ELPA, the default package repository for GNU Emacs.


To use it, type M-x list-packages in Emacs. (This requires Emacs version 24.1 or higher.)

Related Projects



Verified by

Verified on


Verified by

Janet Casey

Verified on

7 March 2003

Leaders and contributors

William Perry Maintainer

Resources and communication

AudienceResource typeURI
HelpMailing List Subscribehttp://lists.gnu.org/mailman/listinfo/w3-announce
DeveloperVCS Repository Webviewhttp://git.savannah.gnu.org/cgit/w3.git
Savannah (Ref)https://savannah.gnu.org/projects/w3

Software prerequisites

Required to useEmacs 24.1 or later

This entry (in part or in whole) was last reviewed on 20 February 2018.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.