While Winzip has enjoyed huge popularity all these years, it is unfortunately paid. Fortunately for us, there are numerous alternatives in the form of free zip software, which are equally good, if not better for zipping files and unzipping them.
Here is the list:
1. jZip (http://www.jzip.com/)
2. 7-Zip (http://www.7-zip.org/)
3. PeaZip (http://www.peazip.org/)
4. Zipgenuis (http://www.zipgenius.com/)
5. ArcConvert (http://sourceforge.net/projects/archivconvert/)
6. ExtractNow (http://www.extractnow.com/)
7. QuickZip (http://www.quickzip.org/)
8. PowerArchiver (http://www.powerarchiver.com/2010/07/01/powerarchiver-free-happy-4th-of-july/)
9. ZipSelect (http://www.muenster.de/~dambergj/archive/zipselect.htm)
10. FreeZip (http://members.ozemail.com.au/~nulifetv/freezip/)
11. IZArc (http://www.izarc.org/)
12. CoffeeCup (http://www.coffeecup.com/zip-wizard/
13. CAMunzip (http://www.camunzip.com/)
14. Bitser (http://www.bitser.org/)
15. ZipitFast (http://www.zipitfast.com/)
16. ZipArchiver (http://ziparchiver.hamstersoft.com/en/)
17. ALZip (http://www.altools.com/Downloads/ALZip.aspx)
18. ZipWiz (http://www.zipwiz.com/ZipWiz/download_main.html)
19. ZipReader (http://comm.pkware.com/zipreader-download.html)
20. JustZipit (http://free-backup.info/justzipit.html)
If there are more, please let us know
