7-Zip

7-Zip: Good file archiver with high compress ratio

7-Zip is one of the most popular file archiving applications with a very high compression ratio.

7-Zip is a free and open-source file archiver that can compress files to the new 7z format with a compression ratio 30-50% better than to ZIP format and compress to zip 2-10% better than other ZIP-compatible file archivers.
7-Zip works on Windows 7 / Vista / XP / 2008 / 2003 / 2000 / NT / ME / 98 and provides a port of the command line version to Linux and Unix operating systems.

Features:

- LZMA and LZMA2 compression algorithms provide high compression ratio in 7z format.
- Can compress and extract the following archive formats: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM.
- Can extract the following archive formats: 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.
- Provides 2-10% higher compression ratio for ZIP and GZIP formats when compared to PKZip and WinZip.
- AES-256 encryption provided for 7z and ZIP formats.
- 7z format has self-extracting capability.
- Windows Shell integration.
- Built-in File Manager.
- Command line version available.
- Plug-in for FAR Manager.
- Localizations for 79 languages.