secure zip

A freeware .zip self-extractor stub, to create sfx archive to executable file.

includes ZIP code, city name, alias city name, state code, phone area code

Convert zip codes in Excel.

Flexible zip & data compression class library for .NET Compact Framework

Create or unpack zip files from your code with ease.

Repairing and fixing tool for corrupt or damaged ZIP archive files.

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

Batch Zip Toolkit allows you to compress and decompress files individually .

Ruby Zip Library

Python Zip Library