DocFetcher - DocFetcher is a portable German/English open source desktop search application.
Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Everything by Voidtools - Everything. Locate files and folders by name instantly. Everything. Small installation file. Clean and simple user interface.
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Agent Ransack - Agent Ransack is a tool for finding files and information on your hard drive fast and efficiently.
OwnTracks - Cross-platform location sharing