Have you seen Zipeg? If not you need to check this program out. Why? First it’s because it is a free alternative to WinZip / WinRar. Second is that you do not need to install several program to uncompress different file formats. This program does it all for you!

Here is some of the cool things it can do.

Formats: ZIP, RAR, 7z, ARJ, LHA, TGZ, TAR and many many more.
Pictures and Photos - preview them instantly or open in external application.
Filenames in your national alphabet.
Zip thru photo archives, see thumbnails, select and extract what you need.
It runs on both Windows and Macintosh.

It also does:

• supports wide variety of archive formats:
  ZIP, RAR, ARJ, LHA/LZH, 7z, TAR, GZ, TGZ, BZIP2, CPIO, RPM, ISO, CHM, Z, CBR, CBZ, WAR, EAR…
• allows to see what’s inside archive BEFORE extracting files;
• opens files in Preview or any other associated application directly from the archive;
• displays image thumbnails (EXIF) in tooltips;
• extracts/unzips items simply by dragging them;
• easy-to-use user interface;
• resource fork, file permissions and Finder attributes support for Mac OSX;
• supports filenames in national alphabets in UTF-8, Unicode and codepage encodings;
• processes archives in background;
• does not have any archive size limitations;
• allows to explore CD and DVD “.iso” image files;
• reports cumulative contents size of subfolders;
• gives fine control over customizable destination of extraction;
• automatically opens nested archives;
• opens archives via file types associations;
• provides `path completion` for destination folders;
• sorts content of folders by name, size or date;
• automatically checks for latest updates;
• universal binaries for Apple Macintosh OS X;
• Full Mac OSX and Windows XP/Vista support;
• Build on top of powerful 7zip engine;

So we would recommend you run, don’t walk to their website and check it out!

You can go there here. [link].

Oh, did we mention it was freeware? It is free but we do recommend you contribute if you use it and like it.