1)   .NET Zip Component ZipForge.NET 2.01
ZipForge.NET is a fast and powerful Zip component for .NET. It lets you easily integrate ZIP compression support into your C# or VB.NET applications. ZipForge.NET features include strong AES encryption, Unicode filenames, SFX and much more.

 2)   Sharp Zip Wrapper 1.01
Free .NET Zip Library that wraps Sharp Zip. Easily Zip/Unzip files and directories. A demo form is included in VB.NET and C#. Source code is included in VB.NET and C#.

 3)   Polar Zip Light Free 5.0
Polar Zip Light is free ActiveX control which adds data compression functionality to your Windows applications. It performs adding, extracting, deleting and listing files in archives.

 4)   ZipForge 4.00
ZipForge is an advanced Delphi ZIP component, written completely in Delphi. ZipForge features include SFX archives support, AES encryption, Zip64, splitting and multi-spanning support. Full source code is available. No external dependancies.

 5)   ZipForge.NET for Compact Framework 1.0
Fast ZIP compression component for .NET Compact Framework. Create ZIP archives, add files and directories, extract files, delete files, list files within archive with full details. Transaction system, progress indication, Unicode filenames.

 6)   Polar Zip Component 5.0
Polar Zip Component is a complete compression solution for any Windows application. It includes standard Zip/Unzip functions, a Self-Extractor Module and Streaming Compression Library in one product enhanced with FULL source code at no extra cost.