1)   EF Duplicate Files Manager 5.10
EF Duplicate Files Manager could find out duplicate files with same name, same size, same content on specify paths. Handle optional like folders the archive files. Multilingual. Shareware
EFSoftware, EFDFM, Duplicate, Find, Search, 7-Zip, 7ZIP, ACE, ARC, ARJ,

 2)   PowerZip 7.06
PowerZip makes zipping / unzipping quick & simple while providing advanced compression & security features: - Easy to use Wizards - Strong encryption (256-bit AES) - Supports 12 types of archives - Create PowerZip Macro files to automate backup
powerzip, unzip, zip, winzip, trident, aes, encryption, cab, rar, ace,

 3)   WinRK v2.1.6
WinRK is a new high performance file archiver. Built from the ground up for the best compression and security. It supports a wide range of common archive formats, including ZIP, RAR, BZIP2 and more.
WinRK, rk, archiver, compressor, compression, bzip2, zip, gzip, iso, rar,

 4)   ZipZag 1.73
Handles archives of most formats: Zip, 7Zip, Ace, Arc, Arj, Bin, Bz2, Bzip2, Cab, Cpio, Deb, Gca, Gzip, Hqx, Ice, Jar, Lha, Lzh, Ntx, Pak, Pk3, Rar, Rpm, Sqx, Tar, Taz, Tbz2, Tgz, Wad, War, Wba, Wmz, Wsz, Dxtheme, Iptheme, Logonxp, Obpack, and more.
zip, 7z, 7zip, arj, ace, bz2, bzip2, cab, cbr, cbz,

 5)   CompreXX 4.1
Archives behave like folders in Explorer! Browse, copy files from, and add files to archives just like any regular folder. The plug-in based product can directly compress RAR, ACE, SIT, 7ZIP, CAB, ZIP and many more from within a single application.
compress, decompress, extract, archive, 7Z, 7ZIP, ACE, ARC, ARJ, BH,

 6)   EF Find 4.71
EF Find is a powerful search program. Look for files, text, HEX sequences and regular expressions inside 7-Zip, ACE, ARC, ARJ, BZIP2, CAB, CPIO, GZIP, IMG, ISO (ISO9660), LHA, RAR, RPM, SFX, SQX, TAR, TBZ, TGZ, ZIP, Zip64, ZOO archives.
EFSoftware, EFFind, Find, Search, Regular expressions, HEX, 7-Zip, 7ZIP, ACE, ARC,

 7)   EF Commander 6.62
File manager, easy to use, full customized, tabbed interface, fast FTP client, multirenamer, internal packers, internal viewers, burn on CD/DVD, internal text and HEX editors, synchronize function, SFV, MD5 and SHA1, multilingual, and much more...
EFSoftware, EFCW, Commander, Shell, Tool, Utility, File Manager, Norton, Explorer Replacement, FTP,

 8)   EF File Catalog 1.73
Catalog whole disks or only single directories with familiar Explorer-like user interface and makes it available for offline browsing and searching. Multilingual.
EFSoftware, EFCat, Catalog, CDDB, 7-Zip, 7ZIP, ACE, ARC, ARJ, BZIP,