PortableApps.com AppCompactor

AppCompactor allows you to easily compress applications to decrease size on disk and increase performance when running from slow media, like flash drives. It's packaged as a portable app, so you can work with your apps anywhere.

Free Open Source Windows

KGB Archiver

KGB Archiver is the compression tool with an unbelievably high compression rate.

Free Open Source Windows

Zipeg

Zipeg is a universal open source archive extractor that supports ZIP and RAR (among other archiving formats). With just a click you can open a file and see what is inside.

Free Open Source Mac OS X Windows

Easy 7-Zip

Easy 7-Zip is an easy-to-use version of 7-Zip. Originally, Easy 7-Zip was built based on 7-Zip 9.20. I kept all features of 7-Zip and added a few useful features that makes the software more user-friendly.

Free Open Source Windows

ALZip

ALZip is a file compression program that can unzip 40 different zip file archives. ALZip can zip files into 8 different archives such as ZIP, EGG, TAR and others.

Free Personal Windows

Hamster Free ZIP Archiver

Hamster Free ZIP Archiver is a New Zip Tool for compression & encryption with improved Very Fast Zip algorithm.

Free Windows

The Archive Browser

The Archive Browser is a program that lets you browse the contents of archives, as well as extract them. It will let you open files from inside archives, and lets you preview them using Quick Look.

Commercial Mac OS X

ArcThemAll!

A simple software to multiple compress files and folders. ArcThemAll provides compression and extraction of batches of multiple folders or files with simple drag&drop loading.

Free Open Source Windows

KuaiZip

KuaiZip is a free, convenient, fast compressor and decompressor, with advanced compression technology and a proprietary of compression format(KZ). KZ is a high ratio and fast format.

Free Windows

SimplyRar

A small software utility that enables you to easily create RAR archives.

Free Mac OS X

Info-ZIP

Info-ZIP is a set of open-source software to handle ZIP archives. It has been in circulation since 1989.

Free Open Source Mac OS X Windows Linux

AndroZip

AndroZip is a utility that can unpack/decompress ZIP and other ZIP based archives like APK, JAR, WAR, EAR, TAR, GZIP and RAR. AndroZip can also create ZIP and ZIP based archives like APK, JAR, WAR, EAR, TAR and GZIP. Note only Win.

Free Android

WinUHA

WinUHA - powerful GUI (Graphical User Interface) for UHARC. UHarc (Uwe Herklotz archiver) is a high-compression 386+ DOS and Windows file archiver.

Free Windows

Entropy

Easily create, open and preview popular archive files like ZIP, RAR, 7z, TGZ and more ( 30+ formats supported ).

Commercial

WinArchiver

WinArchiver is a powerful archive utility, which can open, create, and manage archive files. It supports almost all archive formats, including zip, rar, 7z, iso, and other popular formats.

Commercial Windows

Engrampa

A file archiver for MATE, based on File Roller from GNOME 2 http://www.mate-desktop.org/ .

Free Open Source Linux Xfce

UltimateZip

UltimateZip has all the features you need to archive, encrypt, share and shrink your files.

Commercial Windows

WinAce

WinAce is not just another archiving shell.

Commercial Windows

7zX

7zX is a file archiver with high compression ratio. Compression ratio results are very dependent upon the data used for the tests.

Free Mac OS X

BitZipper

Unzip WinZip, WinRAR, WinAce and many other types of archives as easy as 1-2-3! If you download files from the Internet, BitZipper is what you need to access them.

Commercial Windows