The greatest collection of open source and free software
7-Zip is a file archiver with a high compression ratio. (LGPL)
Linux - FreeBSD - Windows - MAC OS X
Ark is a program for managing various archive formats within the KDE environment. (GPL)
Linux - FreeBSD
Use the Open Source Software Directory to find the best open source and free software for at home or in business.
Advantages of open source software are: