1)   Examine32 4.60
Examine32 Text Search is a fast and versatile text search utility. It can search both text and binary files using ordinary text, logical operators, and GREP regular expressions. Files within ZIP archives can be searched.

 2)   ISYS:web 7
ISYS:web 7 is an easy-to-deploy search solution for websites, intranets and portals. ISYS:web 7 supports more than 30 foreign languages and 140 file types, including standard formats, web content and databases.

 3)   ISYS:desktop 7
ISYS:desktop is designed to quickly and easily connect employees with information that resides on their desktops and local-area networks. Easy to deploy and maintain, ISYS:desktop supports more than 30 foreign languages and 140 file formats.

 4)   dtSearch Desktop with Spider 7.10
dtSearch is "the most powerful document search tool on the market"-- Wired Mag. Searches terabytes of word processor, database, spreadsheet, ZIP, XML, PDF, HTML, emails & more. Built-in Web Spider. See www.dtsearch.com for more products.

 5)   Desktop Search Software 1.8
Find desktop software easily retrieve text file zip achieves from email attachments or documents. It has been integrated with full text retrieval technology supported by OCR engine. It performs search directly in text including word or exact phrase.