7-zip <--- Download Link
7-zip is a completely free unpacker for the following file types:
* Packing / unpacking: 7z*, ZIP*, GZIP, BZIP2 and TAR
* Unpacking only: ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO*, LZH, LZMA, MSI, NSIS, RAR*, RPM, UDF, WIM, XAR and Z.
*Red indicates...