Access ELF lets you query with Microsoft Access databases in plain English
ComponentOne Query quickly and easily includes ad hoc query functionality in your applications
DTSearch Language Extension Pack Series 300 - Multi lingual searching.
EZ Search Manager--search interfaces for Access
Foxfire! Report Writer and Query Generator for FoxPro, Visual FoxPro and SBT
MatryxAccess is data analysis tool that works with Access and Excel
Query Maker for Delphi
Query Maker for FoxPro and Visual FoxPro
Quick Query - the query generator for FoxPro and Visual FoxPro
Search Manager Professional provides user interface searching capabilities within your Microsoft Access application
Spy-CD - java applet to add a search engine to your CD
Spy-Server - The full text search engine for web sites