A relatively standard Windows media player. Handles DVD, MP3, DivX, etc.

http://www.media1moon.com/

A library that allows you to read various types of structure files in the GNOME environment. Structure files includes MS OLE2 streams, as well as Zip files.

http://freshmeat.net/branches/32571/

The Open Compression Toolkit is a set of modular C++ classes and utilities for implementing and testing compression algorithms.

• Simple interface and skeleton code for creating new compression algorithms.
• Complete testing framework for validating and comparing new algorithms.
• Support for algorithms that use external dictionaries/headers.
• Utility classes and sample code for bitio, frequency counting, etc.

http://octane.sourceforge.net/

Mod ZipRead is an Apache 2 module to browser Zip Archives. It uses zziplib.

http://modzipread.sourceforge.net/

Talleo advertises themselves as an international telecommunications consulting firm that provides Network Engineering, WAN optimization, and data compression. They are a reseller of Peribit’s products.

http://www.talleo.com/

A Unisys press release explaining their beliefs regarding licensing required to use GIF technology in your products. As of this posting (8/2003) the US patents appear to have expired, but there are European and Japanese patents will not expire until some time in 2004.

http://www.unisys.com/about__unisys/lzw/

RealNetworks has created a semi-freeware project dedicated to creating a highly capable multmedia client for UNIX and Linux systems.

https://helix-client.helixcommunity.org/

libfgz lets you read and write gzipped files from Fortran.

Version 0.2 is shipping as of August, 2003.

http://home.wanadoo.nl/~johndon/index.html

BitMagic is C++ library designed and developed to implement efficient platform independent bitsets, with the following key features:

• Several types of on-the-fly adaptive compression.
• Dynamic range of addressable space of 232 bits.
• Efficient memory management.
• Serialization in platform independent, compact format suitable for storing in files and databases.
• Performance tuning for 32-bit and 64-bit systems.

Version 3.1.4 shipped August, 2003.

http://bmagic.sourceforge.net/

This nifty program searches through a normal or compressed mailbox looking for strings. Supports Gzip, Bzip2, and tzip formats.

http://grepmail.sourceforge.net/

TurboPower has given up on the retail library business, and will be placing most of their products into an open source state. Abbrevia is TurboPower’s compression library. It appears that version 3.05 is in beta as of August, 2003.

http://sourceforge.net/projects/tpabbrevia/

This article by Amer Gerzic uses GDI+ to load an image, then compresses it into memory. In the sample code he loads a BMP file and converts it to an in-memory JPEG file.

http://codeproject.com/useritems/MemImage.asp

MPlayer is a movie and animation player for Linux based on libmpeg2 (mpeg2dec), and the Avifile library. It uses mpeg2dec/libmpeg2 for MPEG decoding. The supported file formats are MPEG 1/2 (MPG, DAT, BIN, VOB), and AVI/ASF/WMF(Mpeg/PCM/AC3/DivX/MS-ADPCM/aLaw audio, and MPEG4/DivX/Indeo/CVID/WMF video codecs, and many more). It supports hardware YUV colorspace conversion, and scaling via mga_vid/syncfb devices, or the X11 Xv extension.

Version 0.91 is shipping as of August, 2003.

http://www.mplayerhq.hu/homepage/

This is a Win32 program that manages SoundFont files. These files are the ones used by Creative Labs to program their Midi cards. I think.

http://futalgo.planetaclix.pt/sfzip/index.htm

MediaZip is a Windows program that performs lossless compression/decompression and manages archives of media files (Sound and Picture). Welcome to the MediaZip home page.

http://futalgo.planetaclix.pt/mediazip/index.htm

A free Max OS X program that converts your images to JPEG 2000.

http://www.monkeybreadsoftware.de/Freeware/JPEG2000Dropper.html

This ActiveX control is used by developers of audio applications to provide low-latency streaming compressed audio.

http://lakeofsoft.com/vcx/

This Win32 app probes your AVI files and returns a nicely formatted GUI telling you all sorts of interesting things such as sample rate, codec used, framerate. Oh, and it seems to be written for the French speaker.

http://www.guilc.firstream.net/index.php?p=avi-ogminfo.xml

Supplies you with detailed info about the attributes of all sorts of media files, naturally including MP3, AVI, WAV, MPEG2, and much, much more. Looks to be Win32 only.

http://mediainfo.sourceforge.net/

Another Win32 archiving program, supporting the Zip format and scads of others, as well as providing SFX, encryption, a file splitter, and best of all, a free world clock!

http://www.innovators.com/html/planet_zip.html

A CodeProject article which includes working code. Compression here consists of removal of comments, extra line feeds, white space, etc.

http://codeproject.com/useritems/JSCompress.asp

This nice little library is designed to perform the
decoding and generation of all Program Specific
Information in MPEG-2 TS and DVB streams. The project
says that it currently supports the Program Association
Table in MPEG-2 and the Program Map Table in MPEG-2.

http://developers.videolan.org/libdvbpsi/index.html

Convert your GIF files to PNG format under UNIX, Linux, or Win32.

http://www.catb.org/~esr/gif2png/

ZipSplitter is a Win32 program that does two things for
you. First, it zips up a single file. Second, it will split
that zip file into several pieces of a size of your
choosing. When it does this, the last chunk is an EXE
file that knows how to recombine all the files into one.

http://lithopssoft.com/zsp/

A JBIG2 decoder open source project, described as being O/S independent. The alpha releases are capable of decoding some JBIG2 documents but aren’t ready for prime time yet.

Version 0.4 was released July 31, 2003.

http://sourceforge.net/projects/jbig2dec/

This Win32 program will convert your AVI files to various MPEG file types. There is a free version which limits conversions to MPEG-1. The commercial version supports MPEG-2 and various extensions.

http://www.jhepple.com/avi_to_mpeg_converter.htm

Yet another Win32 archiver. Distinguishing features are: support for over 125 archive types, benchmarks that show it beating 7-Zip, WinRar, and WinAce for compression ratios.

http://www.zipzag.com/index.html

A project whose goal is to implement libraries to support the various and sundry compression formats that Microsoft has cooked up over the years. Early in the process, much work left to be done.

http://www.kyz.uklinux.net/libmspack/

This commercial Win32 program is designed to take a folder and turn it into self-extracting archives in a proprietary format. Commercial, no free trial, money back guarantee.

http://avatarsoft.com/free/simpleserver.exe?product&pg=AckerPack_About

A library that allows you to parse and read the meta-tag content in EXIF files. C code, but no comments regarding compilers or platforms.

http://sourceforge.net/projects/libexif