System Navigator

System Navigator is the "file manager" perfected! It contains many features not found in similar products. It has an intuitive user interface that makes it easy-to-use and that's a plus. It helps you manage your files, but it does SO much more.

Source from http://www.exeone.com

BitZipper

Need help opening RAR and ZIP files? BitZipper is a data compression tool for Windows that enables you to open 47 different compression and encoding formats with superior ease-of-use.

Source from http://www.bitzipper.com

StuffIt

StuffIt provides better compression and encryption on more platforms on more types of files AND has better backup features. StuffIt is the ultimate file compression utility, the only one you need.

Source from http://www.stuffit.com

WinZip

Zip, protect and share anywhere with the world's #1 zip utility.

• Zip and unzip files and folders instantly
• Protect files by encrypting as you zip
• Convert to PDF, add watermarks and resize photos
• Share large files anywhere—email, Box, SkyDrive, Dropbox, Google Drive, CloudMe, Facebook, LinkedIn and Twitter 

Source from http://www.winzip.com/win/en/prodpagewz.html

PKZIP

PKZIP continues to be the gold standard in data compression and file management, evolving as your needs have changed. PKZIP compresses and extracts files to greatly reduce required storage space and transmission times. And, by using the .ZIP standard, the most widely used file standard in the world, you can easily exchange data across all major computing platforms more efficiently and effectively. Built on the familiar and reliable .ZIP standard, SecureZIP is the only data-centric security product that allows you to encrypt information on one computing platform and transfer it to any other computing platform in your environment.

Source from http://www.pkware.com/software/pkzip/windows

WinRAR

WinRAR is a powerful archive manager. It can backup your data and reduce the size of email attachments, decompress RAR, ZIP and other files downloaded from Internet and create new archives in RAR and ZIP file format.

Source from http://www.rarlab.com

WinAce

WinAce is not just another archiving shell. With it's own powerful compression format ACE and built-in support for other popular compression types like ZIP, RAR and MS-CAB (to name a few), WinAce could actually become the only archiver you need.

Source from http://www.winace.com

Express Zip

Express Zip is an archiving and compression tool to create, manage, and extract zipped files and folders.

• Fast and efficient file zipping and unzipping
• Compress files for email transmission
• Open rar, 7z, tar, cab and more data archive formats
• Small download; install and compress or extract in seconds

With Express Zip you can easily create zip files of your important documents, images, music and more to help save disk space, or to quickly email or burn to a CD.

Source from http://www.nchsoftware.com/zip/index.html