7-Zip

7-Zip is an open source file archiver predominantly for the Microsoft Windows operating system. It operates either as a command line program or with a graphical user interface. It also features integration with the Windows shell environment. 7-Zip is free software, distributed under the GNU LGPL license.

Features:

• High 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, Z, 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 55 languages

Developer： http://www.7-zip.org/