1clipboard - 1Clipboard is a universal clipboard managing app that makes it easy to access your clipboard from anywhere on any device.
DocFetcher - DocFetcher is a portable German/English open source desktop search application.
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
dtsearch - dtSearch - The Smart Choice for Text Retrieval since 1991.
Archivarius 3000 - Archivarius 3000 is a full-featured application to search documents and e-mail on the desktop...
Agent Ransack - Agent Ransack is a tool for finding files and information on your hard drive fast and efficiently.