Advanced ZIP Password Recovery
A program to recover lost or forgotten passwords for ZIP/PKZip/WinZip archives. Supports the customizable brute-force attack, optimized for speed (about fifteen million passwords per second on modern CPUs); dictionary-based attack, and very fast and effective known-plaintext attack. ... Multilanguage user interface is provided.
http://www.elcomsoft.com/download/azpr.zip - 2Mb - Download - Screenshot

Zipfusion
Zipfusion is a versatile self-extractor. It can be used with any zip tools that create type 0/8 (stored/deflated) format zip files e. g. WinZip (tm). Features include : three operational modes making it suitable for distribution of data files or software, end-user dialogs that can be easily...
http://www.skaro.net/zipfusion/zipfsn.exe - 326Kb - Download - Screenshot

HTML2Zip
This unique software acts similar to WinZip enabling you to compress your HTMLs into much smaller zip archives with compression ratio of 90% and more! Your web pages will load quicker and you'll save both your web traffic and disk space. Unzipping compressed with HTML2Zip documents in browser is...
http://www.aerotags.com/download/html2zip_setup.exe - 442Kb - Download - Screenshot

CRC .NET control
CRC . NET control is the checksum library for . NET developers. The library, especially written on . NET framework, provides exact and fast calculations of checksums. The library has an easy to use interface, fast and reliable infrastructure and provides calculation of CRC32, CRC16 and CRC8... Also, custom polynoms are supported.
http://www.pvlteam.com/downloads/crc.exe - 100Kb - Download - Screenshot

ZFilter
ZFilter is a plug-in indexing filter for Windows servers. It enables them to full-text index the contents of zip archives created with WinZip, PKZIP, or any other compression program that uses the PKWARE compression format. ZFilter is designed for Internet Information Server, SharePoint,...
http://www.4-share.com/content/download/zfilter.exe - 949Kb - Download

JustZIPit
Have you often felt that ZIP programs are just unnecessarily complicated? Have you ever tried to explain to your mother how to use WinZIP? Well, that's exactly what inspired the creating of JustZIPit, the world's easiest ZIP tool. JustZIPit simply integrates two commands into your Explorer... Believe it or not, JustZIPit doesn't even need a user interface -- just a progress bar. ... JustZIPit completely removes the learning curve from zipping. ... To zip a file, just right-click and select 'JustZIPit' from the context menu -- likewise to unzip.
http://free-backup.info/apps/justzipit.exe - 373Kb - Download - Screenshot

ZipPassword
ZipPassword is able to recover lost or forgotten password to pkzip/WinZip archives. Brute-force attack, "smart-force attack" and dictionary search are used to find out the password. ZipPassword features unprecedented search speed: up to 1,000,000,000 that is, up to one billion passwords per minute. ... As of now, it's the world fastest password recovery program, up to 3 times faster than the best competitors software.
http://lastbit.com/zippsw/zippsw.zip - 745Kb - Download - Screenshot

7-Zip
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. Also 7-Zip compresses to ZIP 2-10% better than... 7-Zip has additional powerful command line version and FAR Manager support.
http://prdownloads.sourceforge.net/sevenzip/7z432.exe - 821Kb - Download - Screenshot

PicoZip Recovery Tool
PicoZip Recovery Tool is an easy-to-use program that can help you recover lost or forgotten passwords from password protected Zip files created by compression utilities like PicoZip, WinZip, PKZip, etc. Self-extracting Zip files are also supported. You have a choice of Brute Force or Dictionary... This program is distributed as freeware. ... A 650,000+ words English dictionary is included.
http://www.picozip.com/prt/PicoZipRT.exe - 3Mb - Download - Screenshot

TrackSweeper.net
Many products claim to be powerful and easy to use, but TrackSweeper. net will do everything for you and give you the best range of features available. Just a few mouse clicks and your PC will be kept clean of all sensitive data. No matter how good you are on the computer, everything you do can... net also cleans commonly apps like Windows Media Player and WinZip. ... s Playlist, WinZip recent File List, the Windows Clipboard and more? ... What have they downloaded and tried to delete? ... Do your children or their friends use your computers?
http://www.tometasoftware.com/tsnet/tsdotnet.exe - 6Mb - Download - Screenshot