There's a sheer variety of formats available. And it is possible to use command line switches exactly as you see fit.
Bad doesn't work for some zip-archive. > http://www.codeproject.com/KB/string/pat_and_huff.aspx
Very useful If we download a rar file and we have not WinRAR.
I would rate it 5 stars, however the GUI is really poorly designed. If it was more straight-forward like 7zip's GUI, I personally think that is would be a great program.
Thank you! This is what we need! It is similar to 7zip