ZipGenius is the best zip program, ZipGenius supports more than 20 compressed archive formats, including CD/DVD-ROM image files in ISO9660 standard

it is free and easy to use, plus it supports more than 20 formats of compressed archives, including RAR, CAB, SQX, ACE, ARJ,OpenOffice.org documents and the excellent 7-zip.

7-Zip is open source software. Most of the source code is under the GNU LGPL license
The main features of 7-Zip

* High compression ratio in new 7z format with LZMA compression
* Supported formats:
o Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
o Unpacking only: ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, 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 74 languages

ZipGenius is the absolutely free software for Windows? that lets you compress files to almost any kind of archive. ZipGenius supports more than 20 compressed archive formats, including CD/DVD-ROM image files in ISO9660 standard.

This is the file compression suite you were searching for: it is free and easy to use, plus it supports more than 20 formats of compressed archives, including RAR, CAB, SQX, ACE, ARJ,OpenOffice.org documents and the excellent 7-zip