Zlib is a free general-purpose data-compression library. Integrity checks performed with the CRC-32 or the ADLER 32 checksums. In-memory operations use the zlib compressed data format (RFC 1950). Deflate (RFC 1951) is used for its compression algorithm. Typical compression ratios are between 2:1 and 5:1. The gzip format, RFC 1952, is supported for compressing files on a file system. Lacks support for PKZip 4.5, BZip2, and Deflate64.

The addZIP Compression Components are the simplest way to add the industry-standard PKZIP compatible file compression and decompression to your programs. These royalty-free, multithreaded ActiveX/COM components are compatible with all 32-bit development software including Visual Basic 6/.NET, C/C++, Delphi and Visual FoxPro. The addZIP and addUNZIP components have no user-interface so they can be used both in desktop and server applications.

This high-performance Zip/Unzip compression ActiveX component has the industry's richest feature set and uses the fastest multi-threaded compression engine available. Its clear design and impeccable documentation will ensure your compression needs are implemented quickly and easily. Supports all languages through ActiveX or DLL interfaces. Now includes WinZip 9.0-compatible AES strong encryption.

An affordable, advanced, feature-rich Zip ActiveX compression component that can satisfy
all
your application's file and data compression needs. Includes file and in-memory
Zip
and Unzip, AES encryption, Zip password-protection, self-extract, and much more...

PhotoController is a cool and strong assembly process an Image, easily used in Windows.NET or ASP.NET application.Read all Image type .NET supports(Bmp, Emf, Exif, Gif, Icon, Jpeg, Png, Tif, Wmf ). Supports to save to Jpeg, Gif and Tif with compression. Performs transformation such as rotation, scaling , crop, flip, contrast, brightness, grayscale,sepia, color gamma and adjust, invert, blur, sharpen, distort, mosaic, feather etc;

High performance zip component for your ASP.NET, Visual Basic.NET, C#, Managed C++, J# and JScript.NET applications to compress and decompress file. Many advanced features are supported like encryption, streaming and uuencoded file. Easy-to-use and featured examples are included in the installation file.

An affordable, advanced, feature-rich Zip .NET compression component that can satisfy

all your application's file and data compression needs. Includes file and in-memory
Zip and Unzip, AES encryption, Zip password-protection, self-extract, and much more...

An affordable, advanced, feature-rich Zip ActiveX compression component that can satisfy

all your application's file and data compression needs. Includes file and in-memory

Zip and Unzip, AES encryption, Zip password-protection, self-extract, and much more...

Chilkat RT Compress is a free COM component offering real-time memory-to-memory compression and decompression.

An affordable, advanced, feature-rich Zip ActiveX compression component that can satisfy
all
your application's file and data compression needs. Includes file and in-memory
Zip
and Unzip, AES encryption, Zip password-protection, self-extract, and much more...

An affordable, advanced, feature-rich Zip ActiveX compression component that can satisfy
all
your application's file and data compression needs. Includes file and in-memory
Zip
and Unzip, AES encryption, Zip password-protection, self-extract, and much more...

Aspose.Pdf For Java is a Java Pdf document reporting component which enables you to converting an existing XML file stream(.xml) plus a style-sheet file (.xsl) to a new a PDF file stream;Converting an existing FO file stream to a new PDF file stream;etc.

Aspose.Pdf is a .Net Pdf document reporting component which enables you to write Pdf documents without utilizing Adobe Pdf. It can create Pdf documents with features such as compression,document properties, color space, text, heading, graph, attachment, table, image, hyperlink, security, custom font.The latest supports for paragraph Justification;etc.

CryptoPressStream is a streaming compression and encryption library. It provides transparent access to data stored in stream objects which are 100% compatible with TStream and have advanced functionality like progress event, Load/Save, and Lock/Unlock multi-thread methods. CryptoPressStream includes TCPSManager thread-safe component that provides an easiest setting of compression and encryption parameters, and contains a list of opened streams.

Introducing the rock solid compression component that won't cost you an arm and a leg! If you've been looking for an ActiveX zip control that's ultra-reliable and can handle anything you throw at it, you've found it. Don't settle for a watered-down lite version elsewhere - get Abale Zip, the perfect quality/price value.

Fast ZIP delphi component. ZipForge Personal is free for personal use. No DLLs, SFX, repair, encryption, Zip64, splitting and multi-spanning support

Fast .NET ZIP zip component. 100% Managed code, written in C#. Features: 100% PKZIP 2.x compatible; Transaction system; Streaming support; Progress indication; Many demos in C#, VB.NET and Delphi; .NET 1.1 and .NET 2.0 versions; Full source code is available.