7-Zip is open source software. Most of the source code is under the GNU LGPL
license. You can use 7-Zip on any computer, including a computer in a commercial
organization. You don't need to register or pay for 7-Zip. High compression
ratio in 7z format with LZMA and LZMA2 compression
Supported formats:
Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
Unpacking only: ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA,
MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR and Z. For ZIP and
GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the
ratio provided by PKZip and WinZip
Strong AES-256 encryption in 7z and ZIP formats
Self-extracting capability for 7z format
Integration with Windows Shell
Powerful File Manager
Powerful command line version
Plugin for FAR Manager
Localizations for 79 languages.
OS:
Windows 7 / Vista / XP / 2008 / 2003 / 2000 / NT / ME / 98
Info:
http://www.7-zip.org/
