Locate Me! is a script to geolocate your customers. It supports W3C (iPhone OS 3.0 and Mozilla Geode), Gears (Google), Loki (Skyhook Wireless), and IP-based services like IPLocationTools and MaxMind.
A partition or disk cloning tool similar to Symantec Ghost.
The most POSIX compliant and fastest known implementation of a tar archiver.