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 file and archive manager, encrypt and split files, open 7Z, ACE, BZ2, CAB, DEB, ISO, JAR, GZ, LHA, PAQ, PEA, RAR, RPM, sfx, TAR, ZIP and many more archive types (130+ formats). Portable and open source, PeaZip runs on Windows and Linux.

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.

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.

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!

StuffIt for Windows x86 32 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!

SFXWizard
SFXWizard is an easy-to-use compressing utility with which you can create professional compressed files in various formats just with a few clicks. It supports self-extracting exe format, generally used file formats and SFX - a new archive file type.

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.

7 Zip archiver
7 Zip is a file archiver with the highest compression ratio. The program supports 7z, ZIP, RAR, CAB, ARJ, LZH, CHM, CPIO, RPM, DEB, GZIP, BZIP2, Z and TAR formats. Compression ratio in the new 7z format is 30-50% better than ratio in ZIP format.

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.