7-Zip is a file archiver with a high compression ratio.

The main features of 7-Zip:

* Highest compression ratio in new 7z format with LZMA compression
* 7-Zip is free software distributed under the GNU LGPL
* Supported formats: 7z, ZIP, CAB, RAR, ARJ, GZIP, BZIP2, TAR, CPIO, RPM and DEB
* For ZIP and GZIP formats 7-Zip provides compression ratio that is 2-10 % better than ratio provided by PKZip and WinZip
* Self-extracting capability for 7z format
* Integration with Windows Shell
* Powerful File Manager
* Powerful command line version
* Plugin for FAR Manager
* Localizations for 47 languages
* works in DOS using HX Extender
* There is port of command line version for DOS, Linux/Unix.

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ZipGenius has all the main features of compression programs (zip, unzip, etc.), but it´s different from the others because it offers very special features:

* You can give better protection to your archives using encryption instead of the standard zip password
* You can send e-mail using the built-in mail client
* You can publish archives on the Web with FTPGenius, the built-in FTP client (that can run also as a stand-alone application).
* Extend ZipGenius features with the ZGTools: these are small applets that can run as ZipGenius services or as stand-alone programs. Three ZGTools are shipped in the Suite edition.
* ZipGenius can detect the presence of a PocketPC mobile device: the program can interact with the file synchronization folder for these devices.
* ZipGenius has backup functions.
* ZipGenius supports the command line.
* ZipGenius supports 21 types of compression and file encoding format (zip, czip, cab, rar, arj, jar and so on). NEW: added support to ZIP64 format, which allows to handle zip files larger than 4 GB.
* Now it supports Windows XP visual styles and it has the long awaited zip file fixing feature

Unzipping (and zipping) made easy. CAM UnZip is an easy-to-use ZIP file utility that opens, creates and modifies ZIP files quickly and easily.

Features include:

* UnZip any ZIP file archives quickly and easily
* List files in the archive, extract all or selected files
* Create new ZIP files and easily add/remove files to/from them
* Password protected ZIP file support
* Optionally run setup automatically after unzipping

PeaZip is an OS-portable archiver tool (released for Windows and Linux); it supports it´s native Pea archive format (featuring compression, splitting and flexible encryption and integrity check schemes) and other mainstream formats, with special focus on handling open formats.

Supports 7Z, 7-Zip sfx, ARJ, BZip2, CAB, CHM, CPIO, DEB, GZip, ISO, JAR, LHA, LZH, NSIS, OOo, PAQ, PEA, QUAD, RAR, RPM, split, TAR, Z, ZIP.

PeaZip doesn´t follow the Explorer-like interface paradigm; the interface is more similar to a CD/DVD-burner application, allowing the user to:

* save and restore layout of archives (input files and folders list) to speed up definition of archiving and backup operations;
* save job definition (as plain text, to be used in any script language);
* have a detailed job log after each operation;

The interface is fully skinnable (skins can be customised and saved as plain text to be re-edited as freely as possible) and uses customisable transparency.

Universal Extractor is a program do to exactly what it says: extract files from any type of archive, whether it´s a simple zip file, an installation program, or even a Windows Installer (.msi) package. This is still a work in progress, but so far it´s proven quite useful and I feel others can also benefit from it.

I should stress that Universal Extractor is not intended to be a general purpose archiving software. It will never replace WinRAR, 7-Zip, etc. What it will do is allow you to extract files from virtually any type of archive, regardless of source, compression method, etc.

UPX is a free, portable, extendable, high-performance executable packer for several different executable formats. It achieves an excellent compression ratio and offers very fast decompression. Your executables suffer no memory overhead or other drawbacks because of in-place decompression.

PeaZip is an OS-portable archiver tool (released for Windows and Linux); it supports it´s native Pea archive format (featuring compression, splitting and flexible encryption and integrity check schemes) and other mainstream formats, with special focus on handling open formats.

Full support: 001 (raw file split/join), 7z, 7zip sfx, Bzip2, Gzip, Pea, Tar, Zip; Browse/extract-only support: Z.

PeaZip doesn´t follow the Explorer-like interface paradigm; the interface is more similar to a CD/DVD-burner application, allowing the user to:

* save and restore layout of archives (input files and folders list) to speed up definition of archiving and backup operations;
* save job definition (as plain text, to be used in any script language);
* have a detailed job log after each operation;

The interface is fully skinnable (skins can be customised and saved as plain text to be re-edited as freely as possible) and uses customisable transparency.

IZArc is the ultimate archive utility supports many archive formats like: 7-ZIP, A, ACE, ARC, ARJ, B64, BH, BIN, BZ2, BZA, C2D, CAB, CDI, CPIO, DEB, ENC, GCA, GZ, GZA, HA, IMG, ISO, JAR, LHA, LIB, LZH, MDF, MBF, MIM, NRG, PAK, PDI, PK3, RAR, RPM, TAR, TAZ, TBZ, TGZ, TZ, UUE, WAR, XXE, YZ1, Z, ZIP, ZOO.

With a modern easy-to-use interface, IZArc provides support for most compressed and encoded files, as well as access to many powerful features and tools.

It allows you to drag and drop files from and to Windows Explorer, create and extract archives directly in Windows Explorer, create multiple archives spanning disks, creating self-extracting archives, repair damaged zip archives, converting from one archive type to another, view and write comments and many more. IZArc has also build-in multilanguage support.

7-Zip is a file archiver with a high compression ratio.

The main features of 7-Zip:

* Highest compression ratio in new 7z format with LZMA compression
* 7-Zip is free software distributed under the GNU LGPL
* Supported formats: 7z, ZIP, CAB, RAR, ARJ, GZIP, BZIP2, TAR, CPIO, RPM and DEB
* For ZIP and GZIP formats 7-Zip provides compression ratio that is 2-10 % better than ratio provided by PKZip and WinZip
* Self-extracting capability for 7z format
* Integration with Windows Shell
* Powerful File Manager
* Powerful command line version
* Plugin for FAR Manager
* Localizations for 47 languages
* works in DOS using HX Extender
* There is port of command line version for DOS, Linux/Unix

7-Zip is a file archiver with a high compression ratio.

The main features of 7-Zip:

* Highest compression ratio in new 7z format with LZMA compression
* 7-Zip is free software distributed under the GNU LGPL
* Supported formats: 7z, ZIP, CAB, RAR, ARJ, GZIP, BZIP2, TAR, CPIO, RPM and DEB
* For ZIP and GZIP formats 7-Zip provides compression ratio that is 2-10 % better than ratio provided by PKZip and WinZip
* Self-extracting capability for 7z format
* Integration with Windows Shell
* Powerful File Manager
* Powerful command line version
* Plugin for FAR Manager
* Localizations for 47 languages
* works in DOS using HX Extender
* There is port of command line version for DOS, Linux/Unix.