Zipeg 2.4

Free alternative to WinZip, WinRar, StuffIt.

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 whats 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;