Compression Springs and Chilkat Zip Compression C++ Library Software for Windows

Easy Compression Library
$145 - ComponentAce LTD

With Easy Compression Library you can add advanced compression and encryption functionality to your projects as quickly and easily as never before. Based on new original One-Stream technology, this toolkit has everything you need to compress and encrypt files, strings, data packets and even BLOB fields.
Easy Compression Library provides a wide variety of compression algorithms,
so you can obtain high speed as well as high compression ratio that make Easy Compression Library your best choice.
The Easy Compression Library is a cross-platform product. There are three editions of Easy Compression Library:
Delphi and C++ Builder, Kylix and ActiveX.

Key Features:
? A plenty of advanced compression algorithms
? Unmatched ease-of-use
? Fully compatible with Borland stream classes
? No DLLs, compiles right into your EXE
? Small customizable footprint
? Strong encryption, compression on-the-fly
? Compress files > 4 Gb

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JurikSoft Compression Library
$49 - JurikSoft

JurikSoft Compression Library is a .NET component with a set of methods, which allow
Compress array of bytes using lossless compression algorithms.
Current version of compression library include following compression algorithms: LZSS,
Adaptive and Non-Adaptive Prefix Codes and Run Length Encoding algorithm.

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Xceed Streaming Compression
$349.95 - Xceed Software Inc.

Xceed Streaming Compression Library is a high-performance "raw" compression library. It offers the ability to compress and decompress streaming data, buffers, strings or single files and supports multiple compressed data formats. Unlike Xceed Zip Compression Library, this ultra light library doesn't offer Zip file handling capabilities.

The library offers two well-known compression algorithms to suit your application's needs. For fast compression and decompression speeds, you can use the library's Deflate algorithm. It's the same one used in the industry standard zip file format and it achieves pretty good compression.

For maximum compression, the popular new BZip2 algorithm (Burrows-Wheeler Transform) is the way to go. We've found that BZip2 often achieves about 20% better compression on many popular file types such as database, picture, text and executable files. BZip2 is especially excellent at compressing XML data.

The library can compress and decompress GZip (.gz) and BZip2 (.bz2) files from Unix and Linux platforms, as well as handle Zlib, Info-Zip and Java-compatible data. Xceed Zip v3.x and v4.x memory-compressed (not Zip) data is also supported.

Like all Xceed components, this library is designed to be flexible yet extremely easy to use. In fact, it only takes one line of code to compress and decompress memory or files.

A single line of code can even be used to chain together multiple Xceed components like the Xceed Encryption Library and the Xceed Binary Encoding Library, so you can compress, encrypt and encode data into text just as easily.

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Chilkat Zip Compression C++ Library
$149 - Chilkat Software, Inc.

Affordable, advanced Zip Compression Visual C++ Library with many features: Open a Zip on the Web. Open and read or unzip the contents of a Zip file from a URL. Standard WinZip Password-Protection is Supported. Create or open/decrypt password-protected Zips. OpenFromMemory Allows you to open a Zip that is stored in your program's memory. This was created to allow programs to access Zips loaded from sources such as a database (an Oracle BLOB for example). Includes a robust set of events that allow you to closely monitor the progress while zipping and unzipping. Has the ability to abort any zip or unzip operation while in progress. AES Encryption Encrypt your data using up to 256-bit AES encryption. Also supports Blowfish and Twofish encryption algorithms. Embed ZIPs into EXEs Embed ZIP files directly into EXEs, and access them from your program. The ZIP is embedded as a named resource, and any number of ZIPs can be embedded in a single EXE. Create Self-Extracting EXEs Works with the Chilkat Zip 2 Secure EXE utility to access ZIPs embedded in EXEs created by that utility. Unzip Newer Unzips files based on last-modification time. Set Exclusions Exclude files matching wildcarded filenames, such as "*.log". Existing Zip Component Features Create New ZIPs Create new ZIPs from existing files, memory data, or other existing ZIPs. Delete Files in ZIPs Remove specific files within a ZIP. ZIP Entire Directories Recursively descend directories to ZIP everything. Add Files to ZIPs Adds files to existing ZIPs. Merge ZIPs Merge any number of ZIPs into one ZIP. Unzip Unzip and auto-create directories as needed. Unzip Matching Unzip only files matching a wildcarded pattern. Access to Compressed Data Directly access the data in its compressed format. Memory Compression/Decompression Use ZIP compression without ever writing files. Memory-to-ZIP Conversion and Back Allows direct access to data within files in the ZIP.

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ZipEnable
$99.95 - Port80 Software

HTTP compression speeds up file delivery across the Internet, keeps your users happy with faster page loads, and dramatically reduces bandwidth costs. Compression was non-existent on IIS 4 and broken on IIS 5, but Windows Server 2003 with Internet Information Services (IIS) 6.0 now offers great out-of-the-box compression embedded into the core Web server code itself. ZipEnable allows you to easily get the absolute most out of IIS 6 built-in compression. While Port80 Software's httpZip is the best ISAPI compression solution for Windows Web servers, we highly recommend that you use the internal compression engine in IIS 6.0 - it's lightning fast, incurs minimal resource penalties, and you already bought it when you bought the OS. The one major drawback to IIS 6.0 native compression is the absence of configuration options via the Web server management interface. IIS 6.0 does not provide a GUI to the majority of controls. Necessities like site level compression, compression schemes, and all advanced settings are only accessible via the IIS metabase. With ZipEnable, you now have more than an "ON/OFF" choice and can granularly manage IIS 6.0 native compression at the global, site, directory, and file levels -- without writing a single line of code or editing the IIS metabase. You can easily configure compression on all static and dynamic files, including both those that are compressed by default (HTML and ASP) and those that are not (JavaScript, CSS, Cold Fusion, PHP, etc.). ZipEnable also provides real-time browser compatibility checking to make sure that you only send compressed content to browsers that can handle decompression, and CPU roll-off to keep compression CPU cycles within your comfort zone. ZipEnable is available as a free 30-day trial, and, like all Port80 Software products, ZipEnable includes free technical support. IIS 6 compression works -- you just need ZipEnable to manage it safely!

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MSU Lossless Video Codec
$0 - Graphics&Media Lab Video Group

Free high quality lossless video codec. This codec is intended for lossless video compression (used for saving master copies or intermediate rendering results). It has the best compression ration among free lossless video codecs. Supports RGB, YUY2 and YV12. Allows to set up speed/compression ratio compromise by choosing appropriate motion compensation algorithm. Allows to set up loss/compression ratio compromises. Performs accurate denoisng in temporal and spatial domains during lossy compression. Denoising offten improves quality of video.

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