xceed zip compression library

Python Zip Library

Perl Zip Library

Java Zip Library

Polar Zip Component is a complete compression solution for Windows application.

Free .NET Zip Library that wraps Sharp Zip

File Compression Software. Create, manage and extract zipped files and folders.

Fast and good compression

Portable file compression software for your USB drive.

.NET component for file compression and decompression.

ActiveX control that adds compression solutions, compatible with PKZIP 2.04g.