Based on the Delphi-Zip library and coded by Ccy for S2 Services, this simple command line unzipper offers the advantage of not requiring command switches. Commands are interpreted according to argument order.
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Enjoy unlimited opportunities and tend to all of your compression and archiving needs with Hamster Free Zip Archiver. Supporting many different formats, the program also integrates into any edition of Windows XP, Windows Vista and Windows 7.
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Powerful archiver and archive manager. RAR files can usually compress content 8 to 30 percent better than ZIP files. Main features are strong compression, processing of non-RAR archives, long filename support, self-extracting archives and more.
Downloads: 47058 - Shareware - Download Now

ZIP Open File Tool represents an intelligent WinZip repair software for any user who often works with zipped documents, this solution is much better than useless redownload attempts so you can easily open zipped files with corrupted structure.
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Lets you compress your SWF files with all the vectors, shapes, morphing, Z-buffer, fonts, curves, zero-objects, Zlib and ActionScripts up to 80%. You can cutomize every optimization parameter to reach the optimum quality-lossless compression level.
Downloads: 47320 - Shareware - Download Now