7 Zip (Freeware)
About: 7-Zip is open source software. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license: GNU LGPL + unRAR restrictions.
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.
Features:
-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
