DocFetcher - DocFetcher is a portable German/English open source desktop search application.
Agent Ransack - Agent Ransack is a tool for finding files and information on your hard drive fast and efficiently.
dtsearch - dtSearch - The Smart Choice for Text Retrieval since 1991.
Everything by Voidtools - Everything. Locate files and folders by name instantly. Everything. Small installation file. Clean and simple user interface.
Archivarius 3000 - Archivarius 3000 is a full-featured application to search documents and e-mail on the desktop...
Listary - Listary is a revolutionary search utility for Windows