7-Zip is a file archiver with a high compression ratio and 7-Zip is open source software that supports (reads and writes) many poplar archive formats (zip, rar, 7zip, iso). The current recommended version is 7-Zip 9.22 beta.
http://sourceforge.net/projects/sevenzip/forums/forum/45797/topic/4492007
7-Zip began in 1999 and is actively developed by Igor Pavlov.
Unfortunately, the icons that come with the installation file are old looking. Good People came up with a method of changing them after installing 7zip. I found that this method works like a charm:
http://thatnetsite.com/2010/06/replacement-icons-for-7-zip-ver3/
I made a batch of svg files and turned them into ICO files (I used IcoFX - The Free Icon Editor to convert the PNG to ICO). Enjoy the SVG.
National flag of Denmark in its "split" (swallow-tailed) form. An image by Jens Bech Madsen from OCAL 0.18 release.
Info: http://en.wikipedia.org/wiki/Dannebrog
Split color vector background featuring soft yellow, magenta and green vector shapes with a modern floral pattern faded and overlapped. Bright, eye catching and colorful vector backdrop for your spring, summer and nature layouts. Cool Illustrator backdrop for your stock image collection.