Active Query Builder is a query builder component suite for Borland Delphi and C++ Builder which gives your end-users the ability to create complex SQL queries containing unions and sub-queries via an intuitive visual interface. It can be integrated with your application by setting a few properties or a few lines of code. Free Edition is fully functional, but supports only the ANSI-92 SQL dialect. The product is shipped with detailed help system.
KeyDB
KeyDB is a powerful but compact database engine which groups multiple tables into a single database file. The database engine compiles into your executable so there are no associated files to distribute. KeyDB is a multi-user DB engine with SQL.
ElPack
ElPack offers over 80 visual and non-visual components to add Unicode support to your Windows and Kylix applications, provide complete XP theme support for both VCL and CLX applications and add flexibility and power to your GUI.
XDenSer HTTP Server Component Pack
With XDenSer HTTP Server Components Pack you can easily create a standalone HTTP server w/o any HTML coding. Just put TxdsHTTPServer component and TxdsFormContentProducer on your form, create 1 HTTPAction Item and your form is web form.
WIH Software's Power Preview
This is an easy-to-use print preview add-on for use with Delphi apps. The name Power Preview refers to a feature that allows text to be edited by clicking on the print preview image. Tested in Delphi 2.0 Developer and Delphi 6.0 Professional
ZipForge
Fast ZIP delphi component. ZipForge Personal is free for personal use. No DLLs, SFX, repair, encryption, Zip64, splitting and multi-spanning support