Advanced Archive Password Recovery
Advanced Archive Password Recovery is a program to recover lost or forgotten passwords for ZIP/PKZip/WinZip, ARJ/WinARJ, RAR/WinRAR and ACE/WinACE archives. Supports the customizable brute-force attack, effectively optimized for speed (for ZIP, up to 15 million passwords per second on Pentium... Multilangual user interface. ... Supports strong WinZip encryption (AES).
http://www.elcomsoft.com/download/archpr.zip - 2Mb - Download - Screenshot

Backup-2006 Studio
Because one method is not enough Backup-2006 Studio includes classic backup module, synchronization and disk image. It can backup any folder to any destination (network drive, USB external disk.. ) It comes with its own DVD burner diver. You can schedule backup, synchronization, disk image or... Backup-2006 Studio provides 3 compression methods : Pkzip deflate64, standard Pkzip 2. ... 04 and Bzip. ... Backup-2006 Studio lets you define a standard profile to easily reuse it when you define a new backup set.
http://www.backup-2006.com/bkstud50.zip - 14Mb - Download - Screenshot

Xceed Zip Compression Library
This high-performance Zip and Unzip data compression library lets your applications create and manipulate 100% PKZip-compatible Zip files as well as compress/uncompress data directly in memory. It's designed to offer the ultimate in flexibility while being the easiest to use product of its kind. ... Xceed Zip is 100% compatible with the latest PKZip 4. ... 5 zip file format in addition to the traditional 2. ... There are twenty intelligently thought-out events that the component can trigger, so your application is never in the dark and can manipulate the library in real-time.
http://www.download.xceedsoft.com/XceedZip.exe - 16Mb - Download - Screenshot

addZIP Compression Components
The addZIP Compression Components are the simplest way to add the industry-standard PKZIP compatible file compression and decompression to your programs. These royalty-free, multithreaded ActiveX/COM components are compatible with all 32-bit development software including Visual Basic 6/. ... Although . ... The addZIP and addUNZIP components have no user-interface so they can be used both in desktop and server applications. ... NET, C/C++, Delphi and Visual FoxPro.
http://www.littlebigware.com/downloads/addzip/azip102.zip - 1Mb - Download

ECBackup
ECBackup is a archiver with strong-security, based on open key technology. It's very like to PGP, but uses more reliable and efficient methods of compression and encoding. You have oppotunity to work with ECBackup from the command line but not only. ... ECBackup can be used for creation of backup copies of the confidential information instead of accident-sensitive pkzip, arj etc. ... The applied technology of open keys allows safely to store a public key on the disk and guarantees impossibility of restoring of your private key from public.
http://www.softcomplete.com/download/ECBackupSetup.exe - 1Mb - Download - Screenshot

Backup Mate
Backup Mate makes it easier than ever before to secure your data by making regular backups of your files. Use BackupMate to protect your important data, music and photo files from accidental delete, overwrite and file corruption. Compress your files using the standard zip format with password... Files can be store in zip format that is compatible with both WinZip and PKZip with password protection. ... Copy or synchronize folders or files. ... You can restore files you've backup to its original location or anywhere on your computer or LAN.
http://www.devicode.com/backupmate/bkmsetup.exe - 1Mb - Download - Screenshot

Paraben's Decryption Collection
Recover passwords for over 30 applications. This advanced password recovery suite recovers passwords for Office, Excel, Word, Windows XP/2000/NT, Access, Outlook, Outlook Express, Exchange, WinZip, PKZip, ZIP, VBA Visual Basic modules, Internet Explorer, Acrobat, Quicken, QuickBooks, Lotus... HTML reporting of recovery results. ... Password cache for quick recovery of repeat passwords. ... Lists most recent files recovered. ... Utilizes MD5 Hash Verification for forensic integrity. ... , Mail, Schedule+, Money, WordPerfect, Filemaker, Peachtree Accounting.
http://www.paraben.com/programs/pdecrypt.exe - 4Mb - Download - Screenshot

SuperCool Multiple ZIP
SuperCool Multiple ZIP - A utility to work with multiple ZIP files. Its primary function is to extract files from multiple archives and create multiple archives. 1. Simple user interface and sleek design in a small package 2. ZIP many files or folders to separate archives in one operation. ... 3. ... UnZIP many archives to separate, automatically created folders in one operation, and also unzip selected compressed files stored in different archives at once. ... 4. ... List compressed files in many archives at once 5.
http://www.hellocw.com/multiplezip/download/supercoolmultizip100.zip - 598Kb - Download - Screenshot

Second Copy 2000
Second Copy 2000 copies files and folders from one location to another on the same drive, another drive or across the network. You can setup "profiles" that describe the source location, the destination location, and the frequency at which you want to copy the files. ... Advanced options include PKZIP compatible compression, password protection, directory synchronization and background thread priority control. ... You can also include or exclude specific file or sets of files from the copy and keep up to 25 old versions of files.
http://www.centered.com/download.html - 1Mb - Download - Screenshot

ZipForge.NET
ZipForge. NET is a fast . NET ZIP component. With this ZIP component, you can easily add archive functionality to your projects. ZipForge. NET includes our new unique technology, a transaction system. This innovative solution gives you a fast and easy way of updating archive files providing data... Key features: - Creates archive files in wide known ZIP format by PKZIP, Inc. ... Also, this technology optimizes the speed of the archive modification - Encryption \ decryption - Comprehensive help - Many demos in C#, VB.
http://componentace.com/data/trial/ZipForge.NET.zip - 3Mb - Download - Screenshot