Ark
Description: archive utility
Ark manages various archive formats, including tar, gzip, bzip2, rar and zip,
as well as CD-ROM images. Ark can be used to browse, extract, create, and
modify archives.
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This package is part of the KDE SC utilities module.
Homepage:
http://www.kde.org/
xarchiver
Description: GTK+ frontend for most used compression formats
Xarchiver is a Desktop Environment independent GTK+ 2 frontend for manipulating
7z, arj, bzip2, gzip, rar, tar, zip, and RPM files. It allows you to create
archives and add, extract, and delete files from them. Password protected
archives in the arj, 7z, rar, and zip formats are supported.
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Xarchiver uses library package routines, if available. If you need even more
package formats, try xarchive which uses shell scripts.
Homepage:
http://xarchiver.xfce.org/
It is the `free' part that is the big deal in the article.
p7zip-rar - non-free rar module for p7zip
unrar Unarchiver for .rar files (non-free version)