Some more alternativesJziphttp://www.jzip.com/jZip is a powerful and reliable compression utility based on 7-Zip archiving technology. It can Create, open and extract Zip, TAR, GZip and 7-Zip. Open and extract from RAR and ISO.KGB ArchiverKGB Archiver is the compression tool with an unbelievably high compression rate. Unfortunately, in spite of its powerful compression rate, it has high hardware requirements (I recommend processor with 1,5GHz clock and 256MB of RAM as an essential minimum). One of the advantages of KGB Archiver is also AES-256 encryption which is used to encrypt the archives. This is one of the strongest encryptions known for man.[Broken Link Removed]PeaZiphttp://www.peazip.org/index.htmlPeaZip is available as portable and installable software for 32 and 64 bit Windows and Linux. It can create and extract multiple archives at once, create self-extracting archives. It has secure deletion feature, can verify file checksum and hash, and supports multiple strong encryption standards.Tugzip[Broken Link Removed]TUGZip is a powerful freeware archiving utility for Windows that provides support for a wide range of compressed, encoded and disc-image files. Encrypt archives using 6 different algorithms. Blowfish (128-bit), DES (56-bit), Triple DES (168-bit) and Rijndael (128-bit, 192-bit and 256-bit). It can extract multiple archives at once and Repair corrupted ZIP and SQX archives.

Probably the only way to get it without paying is pirating. For obvious reasons I can't give you details on that.I suggest to use one of the alternatives to WinRAR e.g. 7zip (http://www.7-zip.org/) or IZArc (http://www.izarc.org/)