Based on the Delphi-Zip library and coded by Ccy for S2 Services, this simple command line unzipper offers the advantage of not requiring command switches. Commands are interpreted according to argument order.
Downloads: 18062 - Freeware - Download Now

Reduce the file size of JPEG, GIF, TIFF, PNG, BMP and EMF images, pictures and photos by up to 98% while retaining the quality. The optimized photos are much smaller, ideal for sharing on Facebook, Flickr etc. or e-mail. No zipping necessary.
Downloads: 34571 - Shareware - Download Now

Compress PowerPoint presentations, Excel files & Word documents by up to 98%. Optimized files remain in the original format - no need to unzip. Full office and email integration - send email attachments easier.
Downloads: 20960 - Shareware - Download Now

Create secure self-extracting files from ZIP files.
Downloads: 46380 - Freeware - Download Now

Tool was developed to repair files from corrupted RAR archives. The Program is able to recovers files from RAR archives, it minimizes data loss during recovery. Repair encrypted data from RAR archives. Fix Rar files and restore corrupted Rar files.
Downloads: 48135 - Shareware - Download Now