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> LATEST RELEASES: Zip 3.00 was released on 7 July 2008. WiZ 5.03 was released
> on 11 March 2005. UnZip 6.0 was released on 29 April 2009. MacZip 1.06 was
> released on 22 February 2001. See the Zip, UnZip and WiZ pages for current
> status and download locations.
> 
> In addition, a new set of discussion forums was set up in October 2007. These
> replace the older QuickTopic forum, which was overrun by spam. (The spam
> postings have since been deleted, but further posts to the old forum are
> permanently disabled.)



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ABOUT INFO-ZIP

Info-ZIP is a diverse, Internet-based workgroup of about 20 primary authors and
over one hundred beta-testers, formed in 1990 as a mailing list hosted by Keith
Petersen on the original SimTel site at the White Sands Missile Range in New
Mexico.

Info-ZIP's purpose is to provide free, portable, high-quality versions of the
Zip and UnZip compressor-archiver utilities that are compatible with the
DOS-based PKZIP by PKWARE, Inc.

Info-ZIP supports hardware from microcomputers all the way up to Cray
supercomputers, running on almost all versions of Unix, VMS, OS/2, Windows
9x/NT/etc. (a.k.a. Win32), Windows 3.x, Windows CE, MS-DOS, AmigaDOS, Atari TOS,
Acorn RISC OS, BeOS, Mac OS, SMS/QDOS, MVS and OS/390 OE, VM/CMS, FlexOS, Tandem
NSK and Human68K (Japanese). There is also some (old) support for LynxOS,
TOPS-20, AOS/VS and Novell NLMs. Shared libraries (DLLs) are available for Unix,
OS/2, Win32 and Win16, and graphical interfaces are available for Win32, Win16,
WinCE and Mac OS.

Info-ZIP code has been incorporated into a number of third-party products as
well, both commercial and freeware. Some of the more interesting ones (well,
historically speaking) include the use of UnZip code in the unzip.dll
distributed with IBM's OS/2 Warp BonusPak and WebExplorer, as part of the
reinstallation code for the IBM Aptivas preloaded with OS/2 Warp, and as part of
IBM's Infoprint product. Sun used Info-ZIP's self-extractor to distribute the NT
version of their HotJava browser, Novell uses UnZip for NetWare 6 installation,
and SAP includes it in Business One. Various Windows products such as WinZip and
the DynaZIP DLLs incorporate Info-ZIP code, too. And let us not forget Pretty
Good Privacy (PGP), an excellent encryption program that uses Info-ZIP code as a
first step in encrypting files. Info-ZIP's primary compression engine has also
been spun off into the free zlib compression library, used in
Netscape/Mozilla/Firefox, the Linux kernel, Windows, Java, virtually all
PNG-supporting software, and countless other products.

Info-ZIP can be reached by a web-based form, but you'll have to read our
Frequently Asked Questions page to find out how. Our two primary web sites are
hosted by our very own Hunter Goatley and by the most excellent SourceForge.
Secondary distribution sites are hosted by the Comprehensive TeX Archive
Network.



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INFO-ZIP DOWNLOADS



UnZip - for extracting and viewing files in .zip archives. Also includes: (UnZip
documentation)
 * ZipInfo - for detailed zipfile information (Documentation)
 * fUnZip - for extracting in a pipe (Documentation)
 * UnZipSFX - for creating self-extracting archives (Documentation)



Zip - a compressor/archiver for creating and modifying zipfiles. Also includes:
(Zip Documentation)
 * ZipNote - for adding/deleting comments to zipfiles (Documentation)
 * ZipSplit - for splitting zipfiles (Documentation)
 * ZipCloak - for encrypting and decrypting (with optional zcrypt add-on
   package) (Documentation)



WiZ - a combination Zip/UnZip graphical front end for Windows platforms.



MacZip - a combination Zip/UnZip graphical front end for Mac OS.



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INFO-ZIP LINKS



 * Info-ZIP License - our new(er), BSD-like (i.e., very liberal) license
   
   

 * Info-ZIP FAQ - Frequently Asked Questions about how and where to download
   things, what about commercial usage, and anything else we think of
   
   

 * Info-ZIP Mailing Lists - how to subscribe to our announcements list (very low
   traffic) or general discussion list (relatively low traffic)
   
   

 * Info-ZIP Internet Sites - we're everywhere! we're everywhere!
   
     
   
   * web pages:
     * www.info-zip.org (US) - Info-ZIP's home site
     * infozip.sourceforge.net (US) - Info-ZIP's home site 2
     * www.ctan.org (US) and CTAN mirrors [FROZEN]
     * www.mirrorservice.org (UK)
     * info-zip.ipmedia.de (Germany)
     
     
   
   * files:
     * sourceforge.net (US, Ireland, France, Belgium, Switzerland, Germany,
       Australia, etc.; source and (some) current binaries) - Info-ZIP's home
       site
     * ftp.info-zip.org (US) - Info-ZIP's other home site
     * www.mirrorservice.org (UK)
     * tug.ctan.org (US) [FROZEN]
     * ftp.tex.ac.uk (UK) [FROZEN]
     * ftp.dante.de (Germany) [FROZEN]
   
   

 * Info-ZIP People - who we are, where we are and what we do (below)
   
   

 * Info-ZIP Rogue's Gallery - scary (old) pictures of us
   
   

 * Info-ZIP News - recent news and happenings involving Info-ZIP and/or its
   members
   
   

 * Zip "Imposters" - other programs called Zip
   
   

 * Related Links - other compression and archiver resources, such as PKWARE and
   PNG



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INFO-ZIP PEOPLE

The core Info-ZIP group consists of programmers from six countries on three
continents:



 * Ed Gordon (US); Zip maintainer
 * Christian Spieler (Germany); UnZip maintainer; Win32, DOS
 * Mike White (US); WiZ maintainer; Windows DLLs
 * Dirk Haase (Germany); MacZip maintainer
   
   

 * Michael Cleary (US?); MVS
 * Hunter Goatley (US); VMS, mailing list administrator, primary web-site host
 * Ian Gorman (Canada); VM/CMS, MVS (OS/390 Base)
 * Greg Hartwig (US); VM/CMS
 * Jonathan Hudson (UK); SMS/QDOS, VMS
 * Paul Kienitz (US); Amiga, Win32
 * Johnny Lee (Canada); DOS, Win32
 * Steve P. Miller (US); Windows CE
 * Keith Owens (Australia); MVS, Fujitsu MSP
 * Kai Uwe Rommel (Germany); OS/2
 * Steve Salisbury (US); Win32
 * Steven M. Schweda (US); VMS
 * Dave Smith (UK); Tandem NSK
 * Cosmin Truta (Canada); Zip and UnZip maintenance releases
 * Onno van der Linden (Netherlands); former Zip maintainer
 * Paul von Behren (US); OS/390 OpenEdition

If you're brave enough, you can check out the Info-ZIP Rogue's Gallery and see
what some of us (used to) look like. It's fairly hideous.

Former members of the core Info-ZIP group (i.e., those who no longer even
pretend to be active) include:



 * Mark Adler (US); original Zip author; UnZip decompression
 * John Bush (US); Amiga, Solaris
 * Karl Davis (Australia); Acorn RISC OS
 * Harald Denker (Germany); Atari, MVS
 * Jean-loup Gailly (France); Zip compression; former Zip maintainer/co-author;
   Unix, DOS [aussi en français]
 * Robert Heath (US); Windows GUI
 * Chris Herborth (Canada); QNX, BeOS, formerly Atari
 * David Kirschbaum (US); original UnZip maintainer
 * Igor Mandrichenko (Russia/Ukraine); VMS
 * Sergio Monesi (Italy); Acorn RISC OS
 * Rainer Nausedat (Germany); 64KB deflate
 * George Petrov (Netherlands); MVS, VM/CMS
 * Greg Roelofs (US); former UnZip maintainer/co-author; Unix, OS/2, DOS, early
   VMS port
 * Antoine Verheijen (Canada); Macintosh
 * Rich Wales (US); original Zip co-author

In addition, Info-ZIP would like to tip our collective hat to Samuel H. Smith,
the gentleman who wrote the original MS-DOS unzip on which Info-ZIP's UnZip 3.0
was based--and who kindly made the source code available for free. Even though
virtually all of his code has by now been rewritten from scratch, Info-ZIP still
owes Mr. Smith a debt of gratitude for getting us into this mess. A package of
virtual chocolate-chip cookies is in the e-mail.



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Last updated 8 July 2008. Web page (occasionally) maintained by Greg Roelofs,
but please direct all comments and questions to the Info-ZIP authors at the
address/bug page given in the FAQ.

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Copyright © 1995-2008 Greg Roelofs.