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GNU Emacs

GNU Emacs is a highly extensible and customizable text editor.

Open SourceFree Software / Open Source (GNU GPLv3+)

What it does

It provides a powerful environment for writing and editing code, text, and performing various computing tasks through its extensive features and customization options.

Who it may suit

Programmers, writers, and users who need a powerful, customizable text editing environment and are comfortable with a learning curve.

Free tier and license

N/A (Free Software / Open Source)

Limitations to check

As free software, there are no functional limitations imposed by the license. User experience may require time to master its extensive features.

Licensing notes

Licensed under the GNU General Public License version 3 or later (GNU GPLv3+).

Verification details

Last licensing verification recorded: 2026-10-28.

Directory record last updated: 2026-09-01. These are separate dates: a record update does not necessarily mean the publisher's terms changed.

AI-assisted summaries may be incomplete or outdated. Confirm licensing, pricing, and commercial-use rights in the official sources before making a business decision.

Frequently asked questions

What makes GNU Emacs 'extensible'?

Emacs is extensible through Emacs Lisp, a dialect of Lisp. Users can write or install extensions (packages) to add new features, customize existing ones, or even change how Emacs behaves entirely.

Is GNU Emacs only for programming?

No, while Emacs is very popular among programmers for its code editing capabilities, it can be used for a wide range of tasks including writing documents, managing email, browsing the web, and much more, thanks to its extensive customization options.

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