DocFetcher - DocFetcher is a portable German/English open source desktop search application.
1clipboard - 1Clipboard is a universal clipboard managing app that makes it easy to access your clipboard from anywhere on any device.
Agent Ransack - Agent Ransack is a tool for finding files and information on your hard drive fast and efficiently.
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
Lemur Project - The Lemur Project develops search engines, browser toolbars, text analysis tools, and data resources that support research and development of information retrieval and text mining software. The project is best known for its Indri search engine.
Everything by Voidtools - Everything. Locate files and folders by name instantly. Everything. Small installation file. Clean and simple user interface.