FlexCompress is a high-speed compression library developed to provide archive and backup functionality for your applications. No DLLs, strong encryption, SFX, splitting and multiple disk spanning support

Fast ZIP delphi component. ZipForge Personal is free for personal use. No DLLs, SFX, repair, encryption, Zip64, splitting and multi-spanning support

CompressionMaster Suite is the most advanced data compression library available for Delphi and C++ Builder. The Suite includes three independent data compression products: Easy Compression Library, FlexCompress and ZipForge.

With Easy Compression Library you can add advanced compression and encryption functionality to your projects. Key Features: Advanced compression algorithms, Compression on-the-fly, No DLLs, compiles right into your EXE, Strong encryption

Absolute Database - Delphi database system. This BDE alternative is free for personal use. Key Features No BDE; no DLLs; SQL'92 (DDL & DML) support; Single-user and mutli-user mode (file-server); Single database file; Unmatched ease-of-use; 100% compatibility with standard DB-aware controls; Strong encryption; BLOB compression; Full source code available; Royalty-free; Free for personal use

Fast .NET ZIP zip component. 100% Managed code, written in C#. Features: 100% PKZIP 2.x compatible; Transaction system; Streaming support; Progress indication; Many demos in C#, VB.NET and Delphi; .NET 1.1 and .NET 2.0 versions; Full source code is available.

100% managed version of ZLIB compression library. Full C# source code is included.