Für Mac OSX gibt es bei MacBuzzer die Software Rucksack noch 7 Tage lang kostenlos.
Um die Software zu bekommen muss MacBuzzer gefolgt und eine Nachricht in Twitter abgesetzt werden.

Einfach auf den GET NOW Button auf der Seite klicken und den Anweisungen folgen.

Folgendes bietet Rucksack:

Archives made simple

Who says working with archives needs to be complicated? With Rucksack, working with archives becomes a simple matter of drag, drop and click.

Split and combine

You have a file too large to fit onto one disk or into one email? With Rucksack you can conveniently split and combine files to suit your needs.

Keep it secret, keep it safe

With Rucksack you can protect your sensitive files by packing them in encrypted, password-protected archives.

With Rucksack you don’t need to worry about archive formats. Simply drag and drop your files onto Rucksack and let it handle the hard work for you.

Folgende File-Formate werden unterstützt:

* Zip
* RAR (rar, r00, r01, r02, …)[read only]
* 7zip (7z, 7z.001, 7z.002, …)
* Apple disk image (dmg)
* Tar
* Tar Gzip (tar.gz, tgz)
* Tar Bzip2 (tar.bz2, tbz)
* Tar Z (tar.Z)
* CPIO (cpio)
* ACE [read only]
* ARJ [read only]
* CAB [read only]
* LhA (lha, lzh) [read only]
* StuffIt (sit) [read only]
* StuffIt Expander Archive (sea) [read only]
* BinHex (hqx) [read only]

* MacBinary (bin, macbin) [read only]
* Linux RPM (rpm) [read only]
* PAX [read only]
* Amiga disk file (adf) [read only]
* Compressed Amiga disk file (adz, ADZ) [read only]
* Amiga DMS disk archive (dms, DMS) [read only]
* Amiga LhF (f, F) [read only]
* Amiga LZX (lzx) [read only]
* Amiga DCS disk archive (dcs) [read only]
* Amiga PackDev (pkd) [read only]
* Amiga xMash disk archive (xms) [read only]
* Amiga Zoom disk archive (zom) [read only]
* HA archive [read only]

Rucksack runs on Mac OS X Leopard 10.5 and Snow Leopard 10.6