SwiftSearch - SwiftSearch is a lightweight program whose purpose is to help you quickly find the files you need...
DocFetcher - DocFetcher is a portable German/English open source desktop search application.
Everything by Voidtools - Everything. Locate files and folders by name instantly. Everything. Small installation file. Clean and simple user interface.
Agent Ransack - Agent Ransack is a tool for finding files and information on your hard drive fast and efficiently.
SMF – Search my Files - SMF - Search my Files v13 is the fastest duplicate files finder and a multi-dimensional - file searcher, - file copier / mover, - file deleter / eraser, - and
Locate32 - Locate32 is software which can be used to find files from your harddrives and other locations.