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Download the latest version of Aquamacs Emacs, as well as older ones. This page also offers links to plugins for Aquamacs.

Aquamacs has been downloaded over 200,000 times since we started counting on July 18, 2005. Join in the fun!

Mac OS X (Universal Binary - for your Mac)

Aquamacs Emacs 1.9
- current stable release
- Change Log: What's new in the latest release?
- Verify authenticity: openssl dgst -md5 Aquamacs-Emacs-1.9.dmg MD5(Aquamacs-Emacs-1.9.dmg)= 40d28ffaaac6038ce1342339ad6bdba0
Aquamacs Emacs 2.0preview4b
- public preview version
- based on Cocoa and Emacs 23.1
- This public preview 2.0 contains GNU Emacs 23 and a number of new features, fixes and bugs.
- Change Log: What's new in the preview?
- Bugs: Please report any bugs only via the "Send Bug Report" function in the Help menu and only to aquamacs-bugs@aquamacs.org. (Please read the FAQ and our Bug Reporting Guidelines before reporting a problem.)
- Verify authenticity: openssl dgst -md5 Aquamacs-Emacs-2.0preview4b.dmg MD5(Aquamacs-Emacs-2.0preview4b.dmg)= 2c06bb781f7ee693a273575ac657b430
Aquamacs for Cocoa - follow the development with our Nightly builds
Historic Aquamacs file releases and source code

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Plugins

JDEE: Java Development Environment for Emacs

The JDEE Plugin turns Aquamacs Emacs into a comprehensive system for creating, editing, debugging, and documenting Java applications. Please visit the JDEE website for more information. The plugin also includes CEDET. This plugin requires Aquamacs 1.7 or later. It is included with earlier versions.

SLIME: The Superior Lisp Interaction Mode for Emacs

SLIME is an Emacs mode for Common Lisp development. It can be downloaded as a point-and-click install package to be used with Aquamacs. This plugin requires Aquamacs 1.6 or later. SLIME 2.0 was included with earlier versions.

Note that version 2.0 is the latest release, which, dating back to 2006, has become incompatible with the latest versions of various popular Lisp packages. (It appears to work fine with OpenMCL). The SLIME project recommends you use their development build which we provide as a convenient installer. Our installer is updated daily. Please visit the SLIME website for more information.

Plugin downloads

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Requirements

from Aquamacs 2.0 on: Apple Mac OS X 10.5 or later
from Aquamacs 1.4 on: Apple Mac OS X 10.4 or later
PPC (G3, G4, G5) or Intel Mac.
(for Aquamacs 1.3b and older, nightly build from CVS (PPC): Apple Mac OS X 10.3.9 or later is sufficient.)

What's new in the latest release?

Click here for the changes in the latest preview release and the nightly builds.

Changes-- 1.9

Interested in trying out the Aquamacs 2.0 series, based on Cocoa and Emacs 23? As of Late 2009, we're still working on it, but we've already got a lot to show! http://aquamacs.org/nightlies.shtml

Copy (Command-c) works again reliably for text selected by mouse. However, the previous improvement avoiding duplicate entries in the kill ring has been reverted. Reported by Tom van Vleck.
Jumping to a LaTeX error after compilation works more reliably now. The LaTeX-command setting has been changed to include `file-line-error' style. Suggested by Enrico Franconi.
Recognize Objective C files (extensions .m and .h) by their content. Patch by Kendall Gelner and D.R.
Automatic word wrapping works better in large hard-wrapped (auto-fill-mode) documents with occasional (6+) over-long lines.
The Apple Help books (for Aquamacs, Emacs and the Emacs Lisp Reference) now work on 10.6 ``Snow Leopard''. Reported by Philippe Sismondi.
Aquamacs now by default enables synctex when compiling latex documents.
CSS-Mode has been revised to match the GNU Emacs 22/23 CSS mode.