ALZip
Extract 40 and save 8 formats, full Unicode support and better compression ratio through new file format "EGG", convert broken language files into original language, make self extractors (SFX, EXE), file encryption with AES-256, command line

PeaZip
Free ZIP files utility, encrypt and split files, open and extract RAR, 7Z, ACE, CAB, BZ2, ISO, JAR, GZ, LHA, PAQ, PEA, sfx, TAR, ZIP/ZIPX files and many more archive types (150+ formats). Portable and open source, PeaZip runs on Windows and Linux.

Enolsoft PDF Compressor for Mac
Enolsoft PDF Compressor for Mac compresses and reduces PDF file size by optimizing the resolution and compression method of images, removing unused thumbnails and metadata, stripping dead-object and compressing other parts of PDF files.

Enolsoft MagicUnarchiver for Mac
Enolsoft MagicUnarchiver for Mac is a fast file extractor and compressor for Mac users to easily unzip or extract compressed file contained in RAR, Zip, Udf, Wim and TAR etc.,as well as archive or create zipped files from other documents.

BoostSolutions Bulk Zip & Unzip
Enables SharePoint end-users to Zip and Unzip documents within SharePoint Library! SharePoint Bulk Zip & Unzip provides a convenient and easy way to help end users compress and unpack documents inside the SharePoint document Library.

RarMonkey
Monkeys are fun. Now, extracting Rar archives can be too. RarMonkey is a cool, new Rar archive extraction utility with loads of handy features and a sweet price tag: Free! Can integrate with the Windows Shell, associate with Rar files, and more.

StuffIt for Windows X64 64 bit
StuffIt compresses and expands archives. It provides super-strong encryption security and password protection. StuffIt's automatic archive repair abillities ensure your data's integrity over the long haul. Send and transfer via email or FTP!

NX Free Simple ZIP Archiver
Small and absolutely free program. For people who don't wanna know and understand how archivers are working. After installation click right button of your mouse on any file or folder. You'll see "Compress\uncompress" menu item.

FILEminimizer PDF
Reduce the file size of PDF files and documents by 40-75% while retaining all visual quality. The optimized PDF files are much smaller and ideal for sharing on the web or via e-mail. No zipping necessary.

ExtractWizard
ExtractWizard is a user-friendly extract wizard utility that supports more than 55 archive types. It can also use environment variables, save the latest values for future use and use preset values created in SFXWizard for exe, sfx, zipsfx.