File Compression
7z
One of the best file archiver is 7-Zip. And the best of all, 7-Zip is FREE. To be more precisely, 7-Zip is open source software. Most of the source code is under the GNU LGPL license.
The main features of 7-Zip:
* High compression ratio in new 7z format with LZMA compression
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WinZip 11.1
WinZip 11.1 is an updated version of our most recent major release—WinZip 11.0—that supports Windows Vista
WinZip 11.1 offers a thumbnail image view and automatic compression selection, plus improved compression for audio files (WAV) and the ability to open .BZ2 and .RAR files.
WinZip 11.1 Pro adds expanded data backup functionality and includes a new internal [...]