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PDF Compress
Free PDF Compressor that removes duplicate PDF objects, optionally takes advantage of new compression features of latest PDF specification (1.5), and optionally takes advantage of a new proposed format called “Compact PDF” that for many classes of documents compresses 30 - 60% better than what is possible in PDF 1.5.
Note: Navigate up two levels to […]
http://http.cs.berkeley.edu/~phelps/Multivalent/Tools/pdf/Compress.html
Berto’s Compression Spreadsheet
Comparisions of over 230 archivers, in handy Excel format, from Berto.
Reader Emiliano C. said “Wonderful! Great! Wonderful! Cool!”
transcode
This is a console-mode Linux program built for processing of video streams. Currently supported modules provide support for DVD format, DV, DivX, and more. Lots of good stuff in here for serious video production bloke.
Version 0.6.10 shipped in September, 2003.
http://www.theorie.physik.uni-goettingen.de/~ostreich/transcode/
SuffixTree
An Open Source Suffx Tree implementation. Looks as though this might be oriented towards teaching applications, as it is an interactive application, not just an implementation of the data structure.
ANSI C implementation of a Suffix Tree
A C implementation of a Suffix Tree. This project also includes a Perl module that can use the C code.
Cquantizer
This code project piece uses the octree algorithm to reduce the number of colors in a bitmap. Like most of the code project stuff, it is implemented as a class compatible with Visual C++ and MFC.
Last update of this article was September, 2003.
jzip.org
jzip.org is a WinZip like program written in java. The project aims to provide the ultimate zip tool free of proprietary code and portable to virtually any modern operating system. Preconfigured binary packages are provided for Windows 9x, Windows 2000 and of course for Linux (that one should fit any Unix-like system).
Release 0.20 w/numerous bug […]
An Image Viewer with Lossless Rotation, EXIF and Other Goodies
Frank Eden’s article on The Code Project web site is summed up quite well by the title. About the only thing I have to add is to point out that it is designed to work with JPEG images.
HTTP Compression
Brian Livingston’s short article on HTTP compression provides some pointers detailing how to configure your server to serve compressed content.
http://itmanagement.earthweb.com/columns/executive_tech/article.php/3068161
Common Lisp JPEG Library
JPEG compression and decompression routines in ANSI Lisp.
MediaOne+
A relatively standard Windows media player. Handles DVD, MP3, DivX, etc.
GNOME Structured File Library
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.
The Open Compression Toolkit for C++
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.
ModZipRead
Mod ZipRead is an Apache 2 module to browser Zip Archives. It uses zziplib.
Talleo
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.
License Information on GIF and Other LZW-based Technologies
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.
Helix Client
RealNetworks has created a semi-freeware project dedicated to creating a highly capable multmedia client for UNIX and Linux systems.
The Fortran interface to read gzipped files
libfgz lets you read and write gzipped files from Fortran.
Version 0.2 is shipping as of August, 2003.
BitMagic
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.
GrepMail
This nifty program searches through a normal or compressed mailbox looking for strings. Supports Gzip, Bzip2, and tzip formats.
TurboPower Abbrevia
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.
In Memory Image Compression
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.
Mplayer - the movie player for Linux
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, […]
SFZip
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.
MediaZip
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.
JPEG 2000 Dropper
A free Max OS X program that converts your images to JPEG 2000.
http://www.monkeybreadsoftware.de/Freeware/JPEG2000Dropper.html
Vibrant Communicator ActiveX Library
This ActiveX control is used by developers of audio applications to provide low-latency streaming compressed audio.
Avi-Ogm Info
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.
MediaInfo
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.
Planet Zip Suite
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!
