A file to file compressor that uses the PPMD algorithm is boasts of being very fast.

ftp://ftp2.itb.it/files/PC/SAC/pack/ppmdf.rar

ScalVico is a project that refers to a Scalable Video Codec. Apparently the package now supports H.263.

http://www4.informatik.uni-erlangen.de/~jnweiger/ScalVico/vic/

A Netscape plugin and a standalone app that does some sort of H.263 decoding.

http://www4.informatik.uni-erlangen.de/~jnweiger/ScalVico/PyraH263/

The home page for Julian Seward’s great BWT projects: a compression program and a library. A prelease of bzip2 1.0 was released 4/15/00

http://sources.redhat.com/bzip2/

An Image Power press release announcing the fact that the JPEG2000 committee has annointed them to supply the reference code for the new standard.

http://www.imagepower.com/news/media_center/pr/2000/pr-mar27-00.html

A short article with some code that illustrates how one would unzip archives using built-in java classes. Registration required to view the page.

http://www.inquiry.com/techtips/java_pro/10MinuteSolutions/10min0300.asp

Image Power has released a beta version of their JPEG2000 codec. It’s free to use for evaluation and non-commercial applications.

http://www.imagepower.com/products/products.htm

A page of links and information from the image processing folks at Purdue.

http://stargate.ecn.purdue.edu/~ips/tutorials/j2k/

Arimura shows that BWT is asymptotically optimal. Paper in PDF format.

http://www.hn.is.uec.ac.jp/~arimura/ieice98.html

A long and entertaining discussion of BWT compression in the comp.compression newsgroup.

http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&threadm=Pine.GSO.4.21.0003241454120.405
5-100000%40grenada.csl.uiuc.edu

Woontack Woo has published quite a few papers dealing with coding and compression of stereo images. This is one of the few places you can find information on this somewhat esoteric subject.

http://biron.usc.edu/~wwoo/resume.html#publications

An interesting program that takes an image and squeezes it down into a Java applet. Shareware, so you can give it a spin for free.

http://www.kagi.com/equitysoft/squeezer.html

All the voice coding specs you can shake a stick at. Get your checkbook out, though, these aren’t free.

http://www.itu.int/itudoc/itu-t/rec/g/g700-799/index.html

ArchivePro isn’t a zip program, it’s a database for all the files you’ve stored. In the process it often compresses files for you, which is how it ended up in my database.

http://www.archivepro.com/

A shareware image compression program that supports a ton of different formats.

http://www.barrt.ru/parshukov/imcomp.htm

Another product from Aladdin, makers of the world-famouse Stuffit program for the Mac. DropStuff comes in versions for the Mac and Windows, and will store archives in either Zip or Sit formats.

http://www.aladdinsys.com/dropstuff/

A library that supports reading and writing of TIFF files.

http://www.libtiff.org/

Bernhard seems to have written quite a few papers on data compression. A few of them are in German, a few in English. All in ps.gz format. Bernhard has links to published papers and preprints on this page, be sure to check them all.

http://www.mathematik.uni-bielefeld.de/~bernhard/

A shareware visual archiving program that advertises that it supports 15 popular archive formats. Note the link to the French version of the program and web page.

http://www.world-of-newave.com/zipwave/en/index.htm

This is the home page of CAB station, and inexpensive program that manipulates Microsoft CAB files.

http://www.angove.com/

by D. Baron and Y. Bresler. Postscript paper describing a technique that uses BWT to preprocess a sequence of symbols, then mung.

http://www.ifp.uiuc.edu/~dbaron/ps/ciss_sub2.ps

This freeware program is used to convert archives from one format to another. It says it supports “any archiver,” I guess you can’t ask for more than that.

http://www.whitetown.com/acvt/

Advertises itself as “A dirty but free implementation of a huffman encoder/decoder in Java.” Not completely free, it is covered by the GLPL, and naturally includes fully documented source.

ftp://sunsite.unc.edu//pub/linux/devel/lang/java/libs/Huffman-1.00.zip

by Khalid Sayood, University of Nebraska, Lincoln. 2000 600 pages, $69.95, ISBN 1-55860-558-4. This is a college level introductory text that covers a very wide range of data compression topics.

Please use
this link to purchase the book through Amazon.com. Your purchase will help support this web site.

http://books.elsevier.com/us//mk/us/subindex.asp?maintarget=&isbn=1-55860-558-4&country=Un
ted+States&srccode=&ref=&subcode=&head=&pdf=&basiccode=&txtSearch=&SearchField=&operator=&
&order=&community=mk

Their home page advertises GeoEnergy as “The leader in fast data compression algorithms for the oil and gas industry.” Quite a few algorithms are listed, all of which work on various types of collected seismic data.

http://www.geoenergycorp.com/

Yet another file manager that knows how to work with GIF files.

http://www.cursorarts.com/ca_fw.html

A paper describing an experimental audio coder developed as some sort of class project.

http://ccrma-www.stanford.edu/~bosse/proj/proj.html

A set of links to files that are used to benchmark various data compression algorithms.

http://www.dcs.warwick.ac.uk/~nasir/work/benchmark/

Given the title, this paper has something to do with data compression. But I sure don’t get it.

http://epubs.siam.org/sam-bin/dbq/article/23497

Jean-loup talks about Llinux, data compression, patents, and more.

http://slashdot.org/interviews/00/03/10/1043247.shtml