7-Zip is a file archiver with the highest compression ratio. The program supports 7z, ZIP, RAR, CAB, ARJ, CPIO, RPM, GZIP, BZIP2 and TAR formats. Compression ratio in the new 7z format is 30-50% better than ratio in ZIP format. Also 7-Zip compresses to ZIP 2-10% better than PKZip and WinZip. 7-Zip has additional powerful command line version and FAR Manager support.

Archive XP is a zip and archive utility that integrates with Windows to provide easy to use archive extraction and creation functionality. It supports just about any archive format, including Zip, 7z, CAB, ACE, RAR, ARC, LZH, ARJ, ZOO, GZ, GZIP, LHA, TAR, BH, BZ, BZ2, cpio, HA, JAR, RPM, TGZ, Z and ZLIB, and several others.

EF Duplicate Files Manager could find out duplicate files with same name, same size, same content on specify paths. Handle optional like folders the ACE, ARC, ARJ, BZIP2, CAB, CPIO, GZIP, IMG, ISO (ISO9660), LHA, RAR, PRM, TAR, TGZ, ZIP and ZOO archives. Multilingual. Shareware, FREE updates.

EF Find is a powerful search program for Windows 32 bit. Look for files, text, HEX sequences and regular expressions inside ACE, ARC, ARJ, BZIP2, CAB, CPIO, GZIP, ISO, IMG, LHA, RAR, RPM, TAR, TGZ, ZIP and ZOO archives. The following languages are included in the package: English, German, Chinese, Czech, French, Hungarian, Latvian, Romanian, Spanish, Russian, Ukrainian. Shareware, $10.00, FREE updates.

ZipZag is an advanced archiver that can handle ZIP, A, ACE, ARC, ARJ, BZIP2, BZA, CAB, CPIO, CZIP, DEB, GCA, GZ, GZA, JAR, LHA, LIB, LZH, LZS, PAK, PK3, RAR, RPM, RS, TAR, TAR.Z, TAZ, TZ, TAR.BZ2, TBZ, TB2, TBZ2, TAR.GZ, TGZ, WAD, WMZ, WSZ, YZ1, Z, B64, UUE, and XXE. Features include the ability to extract, add, delete, sfx, unsfx, convert, batch add, batch extract, merge, run, install, checkout, view, test, virus scan, repair, remove known password, truncate, span, unspan, mail, print file list, file list export to txt, csv and htm files and more. The Batch Add feature allows to compress many files at one time, each in its own archive. The Batch Extract feature allows to extract many files at one time. The Merge Archives feature creates a single archive from a couple of smaller archives. ZipZag can span or unspan a zip file using the standard procedure, and even slice and restore any type of files. ZipZag has a build-in viewer that works with most popular formats, like HTML, XML, DOC, XLS, BMP, ICO, JPG, TIFF, TGA, PNG, PCD, PSD, PSP, PCX and more. C++, Delphi, CSS, Java, Java Script, Visual Basic, Visual Basic Script, Perl and PHP source code is viewed using highlighted syntax.