If you are looking for a Free Zip software, which will let you easily zip and unzip the files , then 7zip is a good free zip alternative.
According to one of the main features given in 7zip’s official website: 7-Zip compresses to zip format 2-10% better than most of other zip compatible programs.
7zip Supported Formats For Packing and Unpaking
7zip supports the following formats for packing and unpacking both:
7z, ZIP, GZIP, BZIP2 and TAR.
7zip Supported Formats For Unpaking Only
7zip supports the following formats for unpacking only:
ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR and Z.
Download 7zip
You can download 7zip by visiting its official website at:
http://www.7-zip.org/