Discussion:
Emacs implementations, list of, regular post [long, FAQ]
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Craig A Finseth
2020-04-13 14:16:50 UTC
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Copyright: 1990-9, 2000-20 by Craig A. Finseth
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Emacs Implementations

Document id

Emacs Implementations and Literature
ftp://ftp.finseth.com/users/emacs
http://www.finseth.com/emacs.html

Last posted 2020-04-13
reposted about every 2 months

Contact:

Craig A. Finseth <***@gmail.com> <***@alum.mit.edu>
http://www.finseth.com. Please send updates directly to the
author via email.

Note the information regarding "The Craft of Text Editing"!

People interested in this FAQ might also be interested in:

http://www.jwz.org/doc/emacs-timeline.html

and:

http://www.emacswiki.org

Copyright

This FAQ document is Copyright 1990-9,2000-18 by Craig A. Finseth.

It may be reproduced and archived as part of normal network
distribution. Such distribution is assumed to include CD/ROM or other
bulk, unedited distribution.

It may be reproduced for individual or non-commerical use provided
that it is reproduced intact.

It may be reproduced for commercial use provided:

o it is reproduced essentially intact including all copyright
notices and acknowledgements,

o the publisher obtains the latest version directly from the
FAQ maintainer (using the above FTP/WWW site is acceptable),

o the publisher provides the FAQ maintainer with information
on what collection the copy of the FAQ is in, and how that
collection may be obtained,

o all material modifications (other than formatting) are
clearly marked.

Posted to comp.editors, comp.emacs, alt.religion.emacs, alt.answers,
comp.answers, news.answers

Description

This document provides a partial -- and not comprehensive -- list
of implementations of Emacs-type editors and literature about such
editors. You can help make it more comprehensive by sending me
additional information and/or updates.

This document is also gradually acquiring the role of a repository
of (at least) Emacs-related history. While that subject requires a
book to itself, this document will probably serve until someone
(_not_ me!) writes one.

This document is available via anonymous FTP and WWW. See above
URLs.

To be included in this list:

o A piece of literature should be a book, manual, article, paper,
or something that covers (or mentions) Emacs in particular or
text editing techniques in general. Specifically excluded are
items that are only of interest to non-Emacs users (a book on
"how to use vi") or vendor manuals for Emacs implementations
(as those are implicitly included in the implementations).
Non-vendor (i.e., third party) manuals are included.

o An implementation must either (1) be "advertised" as being an
Emacs-type editor or (2) be extensible and come with an Emacs
command set "mode" already written. Editors that are extensible
but do not come with such a mode (i.e., you have to write it
yourself) are not listed.

The following information is included for each implementation:

The *NAME* line contains the name of the implementation.
Implementations are listed alphabetically by name. Acronym
expansions are listed in ()s. Other acronyms:

TECO TAPE Editor and COrrector
(later: Text Editor and COrrector)
EMACS Editor MACroS

The *LAST* *CHANGED/VERIFIED* line contains the date that the entry was
last changed or an explict "looks ok to me" was received. This
field was added 1994-12-20, so all entries were initialized to that
value.

The *ORIGINAL* *DISTRIBUTION* is the date (or partial date) of the
first release. It is in YYYY-MM-DD format.

The *VERSION* is the latest known version. It is probably out of
date.

The *BASE* *LANGUAGE* is the language that you need a compiler or
interpreter for in order to use the editor. If the software is
distributed as a pre-compiled binary, this should be the language
that the program was written in.

The *IMPLEMENTATION* *LANGUAGE* is the language that the bulk of the
implementation is written in.

The *EXTENSION* *LANGUAGE* is the (often custom or modified) language
that the is used when altering or writing extensions to the
implementation. It is "none" if there is no extension language.

The *SCOPE* is either "command set" or "extensible." In the first
case, the implementation offers a basic Emacs command set; however
the user cannot readily change what the commands do. In the second
case, the user can fully control what all of the commands do.

The *REQUIREMENTS* is a brief characterization of what hardware or
software is required. The purpose of this item is to offer a broad
selection key; not be a comprehensive list. You should consult the
implementation (for free software) or the vendor to find out
whether a specific implementation works in your environment. For
example:

o "UNIX" refers to any version of UNIX(tm) from any vendor.
o "IBM PC" is used to cover MS/DOS, OS/2, and Windows
implementations.

(Starting Dec 1994 the list will support an additional level of
detail for IBM PCs.)

o "DOS" refers to MS/DOS support. May also run under Windows or
OS/2 in some mode. - "Windows" refers to Microsoft Windows support.
o "OS/2" refers to to OS/2 support. - "Windows NT" refers to
Microsoft Windows NT support.

The *ORGANIZATION* is the name of and contact information for the
implementor OR >CURRENT MAINTAINER<.

The *STATUS* is one of

o no longer available: Self-explanatory.
o free: The implementation is available to most people at no
charge. Even such "free" implementations may have restrictions:
consult information about the particular implementation. Where
available, information on how to obtain a copy is also listed.
o not free: The implementation is for sale. Contact the vendor
for specifics.

Many of the names of the implementations in this list are
trademarked. Specific trademarks are not called out.

Full source code is available for all of the free implementations.
Source availability varies among the not free implementations:
check with the vendor before you buy.

Table of Contents

Literature

GNU Emacs and XEmacs: A Better Way to Learn Emacs and Lisp

Title: GNU Emacs and XEmacs: A Better Way to Learn Emacs and Lisp
Author(s): Larry Ayers
Publisher: Prima Publishing
Size: 544pp
ISBN: 0-7615-2446-0
Price: $49.99

_Notes:_ 2001, with CD containing source and images of XEmacs
21.1.14 and 21.4.3, GNU Emacs 20.7 and 21.0, and many add-on
packages. Good coverage of customization and add-on packages.

Learning Gnu Emacs, 3rd Edition

Title: Learning Gnu Emacs, 3rd Edition
Author(s): Debra Cameron, james Elliott, Marc Loy, Eric Raymond, & Bill Rosenblatt
Publisher: O'Reilly and Associates, Inc.
Size: 534pp
ISBN: 0-596-00648-9
Price: $39.95

_Notes:_ Emacs 21.30 and above

The Craft of Text Editing: Emacs for the Modern World

Title: The Craft of Text Editing: Emacs for the Modern World
Author(s): Craig A. Finseth
Publisher: Springer-Verlag
Size: 220pp, 10 chapters, 5 appendices
ISBN: 0-387-97616-7, 3-540-97616-7
Price: $39.95
Japanese language edition: 4-938704-26-9 Y3600 paper

_Notes:_ 1991-10, first edition not version specific. The
Springer-Verlag edition is out of print. The book is available
via the web at:

http://www.finseth.com/craft

and is also available in print form from the author. It has ISBN
978-1-4116-8297-9 (10-digit: 1-4116-8297-1). It is available
from Lulu and from Amazon.com:

http://people.lulu.com/users/index.php?fHomepage=370764
http://www.amazon.com/gp/product/1411682971

GNU Emacs Reference

Title: GNU Emacs Reference
Author(s): Dennis Gentry
Publisher: Specialized Systems Consultants, Inc.
P.O. Box 55549
Seattle WA 98155
USA
+1 206 782 7733
+1 206 782 7191 fax
***@ssc.com
Size: 18pp, 8 1/2" x 3 1/2"
ISBN: 0-916151-83-2
Price: $4.50
Notes: 1995, updated

The GNU Emacs Lisp Reference Manual, GNU Emacs Version

Title: The GNU Emacs Lisp Reference Manual, GNU Emacs Version
19 for Unix Users, Edition 2.01, June 1993
Author(s): Bil Lewis, Dan LaLiberte, Richard Stallman and the GNU
Manual Group
Pubisher: Free Software Foundation
Size: 748pp + 18pp index
ISBN: 1-882114-20-5
Price: free (see GNU Emacs sites) or for fee from FSF
Notes: -

Unix Desktop Guide to Emacs

Title: Unix Desktop Guide to Emacs
Author(s): Ralph Roberts and Mark Boyd
Consultants: Stephen G. Kochan and Patrick H. Wood
Publisher: Hayden Books (SAMS)
Size: xxiv + 504 pages, including index
ISBN: 0-672-30171-7
Price: $27.95 US, $34.95 CAN

_Notes:_ Copr. 1992, first printing 1992 Library of Congress
Catalog Card No. 91-62815

GNU Emacs: UNIX Text Editing and Processing

Title: GNU Emacs: UNIX Text Editing and Processing
Author(s): Michael A. Schoonover, John S. Bowie, and William R. Arnold
Publisher: Addison-Wesley / HP Press
Size: 640pp, 14 chapters, 4 appendices
ISBN: 0-201-56345-2
Price: $26.95

_Notes:_ 1991-11, first printing Emacs 18

GNU Emacs Manual, Twelfth Edition, Version 19.33

Title: GNU Emacs Manual, Twelfth Edition, Version 19.33
Author(s): Richard Stallman
Publisher: Free Software Foundation
Size: 506pp
ISBN: 1-882114-52-3 (may have changed)
Price: free (see GNU Emacs sites) or for fee from FSF

Sams Teach Yourself Emacs in 24 Hours,

Title: Sams Teach Yourself Emacs in 24 Hours
Author(s): Jesper Pedersen, with contributions from
Jari Aalto, Charles Curley, Eric Ludlam,
and Larry Ayers
Publisher: Sams Publishing
Size: approx. 445pp including index, CD included
ISBN: 0-672-31594-7
Price: $24.99 (to be released Apr/May 1999)

Writing GNU Emacs Extensions

Title: Writing GNU Emacs Extensions
Author(s): Bob Glickstein
Publisher: O'Reilly and Associates, Inc.
Size: 215pp
ISBN: 1-56592-261-1
Price: $29.95

_Notes:_ April 1997, First Edition. "[E]xamples ... all developed
and tested in GNU Emacs version 19.34 under various flavors of
UNIX.... [P]resumes familiar[ity] with programming and with Emacs."
Lisp fundamentals are presented, with "Lisp Quick Reference."

GNU-Emacs binaries

GNU-Emacs

name: GNU-Emacs
last changed/verified: 2007-08-23
original distribution: ?
version: 22.1
base language: C
implementation language: Lisp
extension language: Lisp
scope of implementation: extensible
hardware/software requirements:

too many to list

Organization:

Free Software Foundation
59 Temple Place, Suite 330
Boston MA 02111-1307
USA
+1 617 542 5942
+1 617 542 2652 fax
***@prep.ai.mit.edu

Free, anonymous FTP from:

ftp://ftp.gnu.org/gnu/emacs/

Manual

https://www.gnu.org/software/emacs/manual/html_mono/calc.html

OS/2 (proabably obsolete data):

http://hobbes.nmsu.edu/cgi-bin/h-browse?sh=1&dir=/pub/os2/apps/editors/emacs

Windows Supplement (confirmed 2007-06-22):

EmacsW32
http://ourcomments.org/Emacs/EmacsW32.html

Macintosh ports (proabably obsolete data):

FSF's Emacs 20.6 port by Andrew Choi
http://www.csis.hku.hk/~choi/emacs/index.html

XEmacs 19.14 port to MacOS 8 and XEmacs 21.5.9 port
to Mac OS X by Pitts Jarvis
http://my.ispchannel.com/~pjarvis/xemacs.html

Version 1.17 is available from:
ftp://ftp.cs.cornell.edu/pub/parmet/
***@cs.cornell.edu

http://download.vector.co.jp/pack/mac/writing/edit/nit591.sea.bin
This is a bare-bones Japanese version of EMACS. It's missing all
the cool GNU-stuff (including help), but it does do split-
screening and all of the cursor/text editing commands that I
tried. It's a 86.7K (yes, that's kilobytes!) download. A very
sweet blend of EMACS and Macintosh technology.
(Edward <***@teleport.com>)

http://www.csis.hku.hk/~choi/emacs/
Version 20.6. This is by far the most comprehensive and
fastest version of EMACS for the Mac. It is also the most
actively developed version I know of. Even mail can be
implemented by remapping mail calls to Eudora-Lite Applescripts.
The only bummer is that there is no GNUS and no printing!
(Edward <***@teleport.com>)

http://packages.opendarwin.org/dmgs
Scott J. Kramer
x-***@sjk.us

WinCE (proabably obsolete data):

http://www.rainer-keuchel.de/emacs/emacs-wince.html

Binaries only (proabably obsolete data):

o for win95: ftp://ftp.cs.washington.edu/pub/ntemacs/latest/i386/
ftp://ftp.demon.co.uk/pub/ibmpc/dos/apps/editors/emacs19.24
ftp.imada.ou.dk:pub/mirrors/msdos/emacs-19.24
Randy Zack <***@acucobol.com>, MS-DOS,
o Linux sunsite.unc.edu:/pub/Linux/docs/HOWTO/Distribution-HOWTO
o ftp://ftp.vms.stacken.kth.se/GNU-VMS/Beta/ EMACS-19_22-**.TAR-GZ.
info at: http://www.e.kth.se/elev/levitte/gnu/emacs.html
on the SPAN network, contact rdss::corbet

On UUCP, contact one of (proabably obsolete data (:-)):

hao!scicom!qetzal!upba!ugn!nepa!denny
hqda-ai!merlin
uunet!hutch!barber
sun!nosun!illian!darylm
oli-stl!root
***@uunet.uu.net
***@cis.ohio-state.edu (or osu-cis!uucp)

Ohio State also posts their UUCP instructions regularly to
the news group comp.sources.d

_Note:_ You can also obtain tapes and CD-ROM distributions from the FSF.

Implementations Available For No Charge

AMIS

name: AMIS
last changed/verified: 2002-07-22
original distribution: ?
version:
base language: Pascal
implementation language: Pascal
extension language: none
scope of implementation: command set
hardware/software requirements: VMS, Norsk Data, Tops10, RSTS
organization/author:

Stacken Computer Club
c/o NADA
S-100 44 Stockholm
Sweden
***@stacken.kth.se

_Note:_ the name is an abbreviation of "Anti-MISAER" (where "AE" is
the "ae" glyph). "Misaer" is Swedish (svenska) for "piece of junk,
or deep shit functionality" (translation provided by the person who
told me about this) The name thus means "not a piece of junk."
Tops10, RSTS, Norsk Data versions are free, send them a 1/2 inch,
2400-foot magnetic tape and return postage VMS version is $1000 US
(the money supports their DEC10 museum)

Addendum from Jesper Larsson <***@dna.lth.se>: This is
not quite correct. First, if "misAEr" is the Swedish word, "AE"
should not be the "ae" glyph (not used in Swedish -- maybe it's
spelled that way in Norwegian), but an "a" with two dots above
it. Secondly, this word actually means "destitution" or "penury".
It is closely related to the English word "misery". [ I am _not_
going to get in the middle of a how to translate Swedish to
English issue here -- Craig ]

free from
http://pdp-10.trailing-edge.com/tops10_tools_bb-fp64b-sb/index.html


Anthony's Editor

name: ae (Anthony's Editor)
last changed/verified: 2010-08-30
original distribution: ?
version: Feb 92
base language: C
implementation language: C
extension language: none
scope of implementation: command set
hardware/software requirements: Unix, IBM PC, Atari ST; requires curses
organization/author:
Anthony Howe
Mortice Kern Systems Inc.
35 King St N
Waterloo Ontario
Canada N2J 6W9
***@mks.com
free, periodically posted to Comp.editors
http://sites.google.com/site/texteditors/Home/files/Anthonys_Editor.zip

Aquamacs

name: Aquamacs
last changed/verified: 2006-06-28
original distribution: ?
version: 0.9.9d
base language: C
implementation language: Lisp
extension language: Lisp
scope of implementation: extensible
hardware/software requirements: Macintosh
organization/author:
http://aquamacs.org
free, from
http://aquamacs.org
This is a port of GNU-Emacs tailored to the Macintosh Aqua
environment.

Atto

name: atto - smallest functional Emacs in less that 2000 lines of C
last changed/verified: 2015-12-08
original distribution: 2015-11-16
version: 1.4
base language: C
implementation language: C
extension language: none
scope of implementation: command set, multi buffer, multi-window, search, cut, copy, paste
hardware/software requirements: Unix, Linux
organization/author:
Hugh Barney
free, from github
https://github.com/hughbarney/atto

Barry's Emacs

name: Barry's Emacs
last changed/verified: 2017-03-05
original distribution: 1994
version: V7.2-246 Win32,Release b1-November-2016 V8.3.3 released with kits for Windows 7 64 bit and later and Mac OS X 64 bit
base language: C++
implementation language: MLisp
extension language: MLisp, Python
scope of implementation: extensible
hardware/software requirements: Windows, Unix
organization/author:
Barry Scott
***@barrys-emacs.org
free, from:
http://www.barrys-emacs.org/
https://github.com/barry-scott/BarrysEmacs
a bit of history...the source was posted to the net by James
Gosling (in about 1980-ish, I think). It was modifed by Barry,
within Digital Equipment Corporation. It ran on VMS and was
available only internally to Digital. The language changed to
Bliss-32 (better performance on VMS) and then to C (for
portability) and now C++. Barry left Digital in 1994 and about
then (or perhaps a little sooner?) released to the public.
-- Jack Horsfield <***@altavista.net>
http://tech.groups.yahoo.com/group/barrysemacs/
Python implementation

Bzdired

name: bzdired
last changed/verified: 2010-08-30
original distribution: 1998
version: 7.1
base language: C
implementation language: C
extension language: superset of what you type
scope of implementation: extensible
hardware/software requirements: Unix
organization/author:
Ralph Betza (FM)
***@scscomm.com
free, from:
http://scscomm.com/~gnohmon/dired.cpio.gz
likely no longer available

Climacs

name: Climcs
last changed/verified: 2015-03-28
original distribution: ?
version: ?
base language: ?
implementation language: Lisp?
extension language: Lisp?
scope of implementation: ?
hardware/software requirements: ?
organization/author:
free from
http://common-lisp.net/project/climacs/

Demacs

name: Demacs
last changed/verified: 1999-08-14
original distribution: 1992?
version: 1.2.0
base language: C
implementation language: Lisp
extension language: Lisp
scope of implementation: extensible
hardware/software requirements: IBM PC, 386 or better, MS-DOS
organization/author:
Manabu Higashida
Osaka University
JAPAN
***@sigmath.osaka-u.ac.jp

HIRANO Satoshi
University of Tokyo
Japan
***@tkl.iis.u-tokyo.ac.jp
free, anonymous FTP from
ftp.sigmath.osaka-u.ac.jp in pub/Msdos/Demacs/*
utsun.s.u-tokyo.ac.jp in GNU/demacs/*
on Garbo-PC mirror sites
ftp://garbo.uwasa.fi/pc/editor

_Note:_ Demacs is currently based on GNU Emacs version 18.55 (partly
18.57). You may wish to check out OEmacs, GNU-Emacs v19.23 or
later, or NTEmacs.

E3

name: E3
last changed/verified: 2010-08-30
original distribution: ?
version: ?
base language: C,asm
implementation language: C
extension language: C
scope of implementation: command set
hardware/software requirements: Linux, FreeBSD, BeOs
organization/author:
Albrecht Kleine
free, anonymous FTP from
http://sites.google.com/site/e3editor/

EDMACS

name: EDMACS
last changed/verified: 1994-12-20
original distribution: ?
version: 2.0
base language: TECO
implementation language: TECO
extension language: TECO
scope of implementation: extensible
hardware/software requirements: PDP/11
organization/author:
Michael Bloom
***@ttidca.tti.com
free, anonymous FTP from

usc.edu in /pub/teco/soflib.tar.Z
(in subdir "11-737" of tar image)

DECUS program library as DECUS #11-737 (nominal media charge)

Edwin

name: Edwin
last changed/verified: 1994-12-20
original distribution: ?
version:
base language: CScheme
implementation language: CScheme
extension language: CScheme
scope of implementation: extensible
hardware/software requirements: UNIX, VMS, 386-DOS
organization/author:
Scheme Distribution
c/o Prof. Hal Abelson
545 Technology Sq. Room 410
Cambridge MA 02139
USA
info-cscheme-***@zurich.ai.mit.edu
free, anonymous FTP from
zurich.ai.mit.edu in pub/scheme/README
also, check out other Scheme implementations

Elle

name: Elle (Elle Looks Like Emacs)
last changed/verified: 1994-12-20
original distribution: ?
version: 4.1g
base language: C
implementation language: C
extension language: none
scope of implementation: command set
hardware/software requirements: UNIX, MINIX, TOPS-20, TOPS-10 (!)
organization/author:
Ken Harrenstein
c/o SRI International
333 Ravenswood Ave
Menlo Park CA 94025
USA
***@nisc.sri.com
free, anonymous FTP from
nisc.sri.com in pub/klh/elle.tar (or elle.tar.Z)

Emacs

name: Emacs
last changed/verified: 2006-03-21
original distribution: 1975
version: 165
base language: MIDAS (PDP10/DEC-20 assembly language)
implementation language: TECO
extension language: TECO
scope of implementation: extensible
hardware/software requirements: PDP10/ITS or DEC-20/TOPS-20
organization/author:
Richard M. Stallman
MIT AI Lab/MIT Lab. for Comp. Sci.
545 Technology Square
Cambridge MA 02139
USA
http://pdp-10.trailing-edge.com/tapes/mit_emacs_170_teco_1220.tap.bz2

_Note:_ this is the original free, anonymous FTP from ?

Emacs for Android

name: Emacs
last changed/verified: 2015-06-21
original distribution: ?
version: 2012-08-23
base language: ?
implementation language: ?
extension language: ?
scope of implementation: ?
hardware/software requirements: Android
organization/author:
***@zielm.com
free, from
https://play.google.com/store/apps/details?id=com.zielm.emacs
https://zielmicha.com/

Emacs for HP49G and HP49G+

name: Emacs for HP49G and HP49G+
last changed/verified: 2015-08-14
original distribution: 2000-?-?
version: 2.00
base language: HP49G-specific
implementation language: HP49G-specific
extension language: HP49G-specific
scope of implementation: command
hardware/software requirements:
HP49G or HP49G+ calculator
organization/author:
Carsten Dominik, dominik science.uva.nl
Peter Geelhoed, p.f.geelhoed wbmt.tudelft.nl
free anonymous FTP:
https://staff.science.uva.nl/c.dominik/hpcalc/emacs/

_Note:_ While possibly not a "real" Emacs, this is just too
cool to leave out.

Emacs For Mac OS X

name: Emacs For Mac OS X
last changed/verified: 2018-05-30
original distribution: GNU Emacs
version: 26.1-2
base language: C
implementation language: Lisp
extension language: Lisp
scope of implementation: extensible
organization/author:
Dave Caldwell
free, from
https://emacsformacosx.com/
hardware/software requirements:
Mac OS 10.9 and above

Emacs for NeXTstep

name: Emacs for NeXTstep (aka Emacs.app)
last changed/verified: 1995-06-15
original distribution: 1994-04-24
version: 4.1
base language: Objective C
implementation language: Lisp
extension language: Lisp
scope of implementation: extensible
hardware/software requirements: Any hardware/software which GNU Emacs
19.28 runs on in general. To use the added NeXTstep features
requires NeXTstep 3.x or later (for best results 3.3 or later)
on any hardware platform supported by NeXTstep.
organization/author:
Carl Edman
Department of Physics
Princeton University
Princeton NJ 08540
USA
***@princeton.edu
free anonymous FTP:
- Binary package for m68k, i386, hppa and sparc NeXTstep machines on
ftp.cs.orst.edu in
pub/next/binaries/editors/Emacs_for_NeXTstep_4.1.pkg.NIHS.b.tar.gz.
- Source on ftp.cs.orst.edu in
pub/next/sources/editors/Emacs_for_NeXTstep_4.1.src.NIHS.s.tar.gz.

_Note:_ Emacs for NeXTstep 4.1 is a superset of GNU Emacs 19.28
with which it shares most of the code. The main change is that this
Emacs supports the NeXTstep window system on the same level as GNU
Emacs supports the X window system. It continues to fully support
the X window system as well.

Also, this may be new information on the same release: Emacs.app, a
full port of GNU Emacs to NeXTstep also supporting NS features,
runs on Intel, NeXT, and HP hardware.

There are also two mailing lists for Emacs for NS,
<emacs-for-ns-***@lists.princeton.edu> and
<emacs-for-ns-***@lists.princeton.edu>. The former is intended
for general discussion and allows anybody to post. The latter
restricts posting and should contain only a handful of
announcements of new releases every year. Both of these lists are
handled by the CREN Listproc which means that you can subscribe and
unsubscribe automatically. For example, to subscribe to
emacs-for-ns-users I'd send a message with the content `SUBSCRIBE
emacs-for-ns-users Carl Edman' to <***@lists.princeton.edu>.
For more details write to the same address with the content `HELP'.

This is the second public release of Emacs for NeXTstep (**).

** So why in the world is it called version 4.1 ? To avoid
confusion with the older Emacs.app interface (lately up to
version 3.1) which is completely unrelated except for the fact
that its author, Michael Brouwer, has been a major contributor to
this project as well. And even he has replaced the old Emacs.app
with Emacs for NeXTstep.

Emacs for OS X and OS 9

name: Emacs
last changed/verified: 2005-02-03
original distribution: ?
version: ?
base language: ?
implementation language: ?
extension language: ?
scope of implementation: ?
hardware/software requirements: Macintosh
organization/author:
Sebastien Kirche
***@free.fr
free, from
http://sebastien.kirche.free.fr/emacs_stuff/
http://sebastien.kirche.free.fr/emacs_stuff/en.html

OS X and OS 9 ports.

EmACT

name: EmACT
last changed/verified: 2007-01-03
original distribution: 1986 (bundled with Let'C compiler)
version: 2.50.0
base language: C
implementation language: C
extension language: Minimal Lisp and/or OpenLisp (this one is not GPL)
scope of implementation: command set, tailored for Lisp programs
hardware/software requirements: Windows, Pocket PC, Unix
organization/author:
Christian Jullien - Eligis
4, villa des reinettes
S-95390 Saint-Prix
France
jullien(at)eligis(.)com
free (GPL) from
http://www.eligis.com/emacs

Note: this a 1986 fork (sic!) of Conroy's MicroEmacs. The name
comes from a company the author worked for when starting this
development. The motivation was to implement a Lisp-friendly
editor on MS-DOS PC to write programs for Le-Lisp dialect.
It is now the editor of choice for OpenLisp
(see http://www.eligis.com).

Epoch

name: Epoch
last changed/verified: 1994-12-20
original distribution: ?
version: 4.2
base language: C
implementation language: Lisp
extension language: Lisp
scope of implementation: extensible
hardware/software requirements: UNIX, VMS, others
organization/author:
University of Illinois at Urbana-Champaign
Urbana-Champaign IL
USA
epoch-***@cs.uiuc.edu
uunet!uiucdcs!epoch-request
epoch-request%***@uiucvmd.bitnet
free, anonymous FTP from
cs.uiuc.edu in pub/epoch-files/epoch/*

_Note:_ this is a modified GNU Emacs. Has been merged with Lucid
emacs.

ErgoEmacs

name: ErgoEmacs
last changed/verified: 2010-02-01
original distribution: ?
version: 1.7.1
base language: Lisp
implementation language: Lisp
extension language: Lisp
scope of implementation: Lisp
hardware/software requirements: Emacs 23
organization/author:
Xah Lee and David Capello
free, anonymous FTP from
http://ergoemacs.org/

Ermacs

name: Ermacs
last changed/verified: 2003-09-25
original distribution: ?
version: 0.9
base language: Erlang
implementation language: Erlang
extension language: Erlang
scope of implementation: Erlang
hardware/software requirements: Erlang, S-Lang
organization/author:
Luke Gorrie
free, anonymous FTP from
http://www.bluetail.com/~