Archives
ZipIt 2.0
ZipIt is a Macintosh program that zips and unzips archives in a format fully compatible with PKZip for the IBM and zip implementations on other systems.
http://www.maczipit.com/MacBzip2 Home Page
A port of Julan Seward’s bzip2 program to the Mac. It’s free and full source is included if you are the adventurous type.
http://persephone.cps.unizar.es/~spd/bzip2/Easy-GZ
Easy-GZ is a compression tool which allows extremely tight compression and quick decompression. Based on the GZip standard and optimized for the Macintosh platform, an easy-to-use, effective GZ compressor has finally been brought to the Mac OS. Is this software free or not? I’m putting it in the free category - if you find […]
http://www.komkon.org/~stiles/easy-gz/index.htmlPack Up & Go
Shareware compressor for the Mac. Web site claims it handles universally standard archives, a bit vague for my taste.
http://www.stone.com/PackUpAndGo/PackUpAndGo.htmlOpenUp
OpenUp allows you to double-click on compressed and archived files and have them open in the Workspace without having to resort to the command-line tools gnutar and gunzip. It also supports opening many other common, and uncommon formats. Appears to be free, with source available.
http://www.stepwise.com/Software/OpenUp/index.htmlSmartZip
SmartZip is a MacOS application designed to be the simplest and most efficient way to manage ZIP files. You can automatically compress files (or entire folders) by dragging them onto SmartZip and in the same way you can easily expand ZIP files.
http://www.vampiresoft.com/Products/MacOS/SmartZip.htmlCompact Pro
Compact Pro is a shareware file compression and archival utility for the Mac. It compresses and stores files in “archives” which may span multiple diskettes. Compact Pro supports data encryption (US and Canadian users only) and self-extracting archives.
http://www.cyclos.com/compactpro.htmMind Expander
Archive expander for the Mac and Windows. Whether you’re using Mac or a PC, MindExpander will expand ZIP, SIT, SEA, HQX, and other popular compression formats. Free software.
http://www.mindvision.com/Consumer/products/ME/Default.aspZipper
Free zip program - zip and unzip utility for windows by Ken Ward. This free program can be downloaded and freely used and distributed.
http://www.trans4mind.com/personal_development/zipper/index.htmlHow File Compression Works
An article pitched to the layman on how compression works.
http://www.howstuffworks.com/file-compression.htmAll About ZIP Files
Your basic tutorial about dealing with zip files. Targeted at the beginner.
http://www.eurekais.com/brock/aazip.htmSpirit Corp
Spirit has a wide variety of speech codecs for sale, including standard G.711, G.729 and so on, all the way down to proprietary 1200 bps coders.
http://www.spiritcorp.com/vocoders.htmlZipALot
With ZipALot you can extract (unace, unrar and unzip) multiple files at once! ZipALot takes all the archives from one directory and extracts them to another one. ZipALot can currently handle ZIP, RAR and ACE (V.2) archives.
http://www.ractive.ch/gpl/zipalot.htmlGoogle’s Data Compression Software Directory
I think Google’s directory comes from the DMOZ directory, but I could be wrong. This page mostly has pointers to companies that sell software.
http://directory.google.com/Top/Computers/Software/Data_Compression/read more from " Google’s Data Compression Software Directory "
Google’s Data Compression Algorithm Directory
A selection of pointers to web sites that have something to do with data compression algorithms.
http://directory.google.com/Top/Computers/Algorithms/Compression/read more from " Google’s Data Compression Algorithm Directory "
TurboZip
TurboZIP is an Archive, E-Mail Manager and Auto Backup tool. It opens major archive and E-mail formats. It offers the unique capabilities to internally view, print, copy, launch, and virus
scan files within ZIP and E-mails without unzipping; unique ZIP Set and Multi-threading operation for simultaneous zipping, unzipping, auto backups..
TurboZip 5.1 appears to have been released […]
http://www.filestream.com/turbozip/TurboZip Express
TurboZIP Express is tightly integrated with Windows Explorer so you can ZIP, UnZIP, CAB, UnCAB, plus E-mail files, all in one quick action. You can compress files to units of any size and
output to HD or FD. It lets you internally view, print or even edit files within Zip..
Scala Technology
From the submitter: This site presents a new audio coder design that achieves efficient compression with fine-grain bitrate scalability. Issues regarding scalability are discussed, and a new approach to measuring coding efficiency is presented. A windows command-line demonstration coder is availiable to download. At present the coder achieves subjective transparency at approximately 96 kbit/s/chan, similar […]
http://www.scalatech.co.uk/Ultimate Recursive Lossless Compression Research
The name says it all. A research project dedicated to recursive compression.
http://www.geocities.com/hmaxf_urlcr/read more from " Ultimate Recursive Lossless Compression Research "
Build your own one-on-one compressor
The author gives a description of a proposed bijective compression scheme.
http://www.mandala.co.uk/securecompress/index.htmlVideo compression for direct broadcast satellite (DBS) and broadcasting
HEI seems to be a company that consults with broadcasters. They have this page which gives a little tutorial that talks about forward error correction and other things of interest to broadcasters.
http://www.heiconsulting.com/mpeg2.htmlread more from " Video compression for direct broadcast satellite (DBS) and broadcasting "
RFC 2422 - G.726 - 32 Kbps ADPCM codec
This RFC defines the 32 Kbps toll quality MIME type. The true specification for G.726 is owned by the ITU, and will not be generally available on the net. So knowing how it is encoded only somewhat useful.
http://www.faqs.org/rfcs/rfc2422.htmlSpeech Codecs
An ftp site with various speech codecs, including G.722, GSM, G.711, G.723, G.721, CELP, and LPC. Licensing and ownership of the C source varies.
ftp://ftp.cs.cmu.edu/project/fgdata/speech-compression/LEADTOOLS JPEG2000 Plugin
LEADTOOLS is now supporting JPEG2000 in their toolkits by means of this JPEG2000 plugin. Supports both file and stream formats, plus many additional features. Download of sample available.
http://www.leadtools.com/home2/vertmkts/ltjpeg2k.htmData Compression Newsletter #13
This issue of the Data Compression Newsletter from Dr. Dobb’s Journal looks at an idea for compression that doesn’t quite pan out.
http://www.ddj.com/maillists/compression/0012cm/0012cm001.htmData Compression Newsletter #12 - Using Intel’s JPEG Library
This issue of the Data Compression Newsletter from Dr. Dobb’s has some sample code showing how one might use Intel’s JPEG library to display JPEG files under Win32.
http://www.ddj.com/maillists/compression/0011cm/0011cm001.htmread more from " Data Compression Newsletter #12 - Using Intel’s JPEG Library "
The Data Compression Newsletter #8
This issue of the Data Compression Newsletter from DDJ highlights a few of the better Incredible Claims to come along - including the biggest of all, the Pixelon fraud case.
http://www.ddj.com/maillists/compression/do200007cm/do200007cm001.htmData Compression Newsletter #6 - Goodbye, Phil Katz
This issue of the Data Compression Newsletter from Dr. Dobb’s Journal says farewell to Phil Katz, creator of PKZip.
http://www.ddj.com/maillists/compression/do200005cm/do200005cm001.htmread more from " Data Compression Newsletter #6 - Goodbye, Phil Katz "