1)   dtSearch Publish 7.10
Publishes an instantly searchable database to CD/DVD, effectively adding dtSearch "powerful Web-based engines" (eWEEK) to a CD/DVD. Has a dozen indexed & fielded data search options. Highlights hits in HTML, XML & PDF, displaying links & images.

 2)   Wanyword 4.00
Text search with Boolean and NEAR or proximity operators. ANSI/OEM search and conversion on the fly which is not unimportant since there is a lot of old DOS text around and umlauts and accents may give problems here. Sets of found files can be saved.

 3)   Odyssey 1.14
Let Odyssey search your computer for any file or for words/phrases that are in any file on your computer. Search using AND, NOT, and OR boolean operators. Perform either case sensitive or insensitive searches. Search any or all file types.

 4)   SearchWin 1.1.8
SearchWin is a Fast Windows Find File Utility that adds Multi-Term 'Search Engine' capability to the Windows File System. It provides greater power and flexibility than Windows native Find File Utility without the overhead of a database.