ZipForge.NET 2.02     
.NET Zip Component with AES encryption, Unicode, NTFS timestamps and SFX support

FlexCompress 4.00     
File compression and encryption library for Delphi and C++ Builder

CompressionMaster Suite 4.00     
Zip, strong encryption and streaming compression libraries for Delphi

ZipForge 4.00     
Advanced Delphi ZIP component. No DLLs, Unicode, SFX, Zip64, AES Encryption

Absolute Database 5.14     
Single File Delphi Database, a great BDE replacement

ZLIB.NET 1.03     
100% managed version of ZLIB compression library.

Easy Compression Library 3.55     
An easy-to-use streaming compression library with strong encryption.