StepMania was originally designed as a game emulator of the famous and popular series of arcade game - Dance Dance Revolution (DDR for short, developed by KONAMI, a dancing machine game enjoyed great popularity for a time where you could see it in many game rooms) for PC, first released in 2001.

Kega Fusion (AKA: Fusion SEGA Emulator, or Fusion for short) is an excellent new generation of SEGA's multi-console emulator on Windows, Mac OS X and Linux platforms. It was written by Steve Snake from Germany, based on the earlier Kega and its successor Kega Lazarus.

Ghost (short for General Hardware-Oriented System Transfer) is an excellent backup & restore tool (commonly known as cloning software) for system, data on hard disk/partition developed by the famous Symantec company from America. For the vast majority of advanced users like system administrator/network manager, it is used to backup the system partition (so as to minimize the time and labor spent on each reinstallation of OS furthest) or data on a disk.

If we know one fact that TechSmith's Snagit is the #1 screenshot/screencast tool on Windows, than for Linux, the king of screen capture software will be Shutter (formerly GScrot) - of course, it's freeware and open-source, developed by Mario Kemper from Canada.

The 3D map location technology used in Google Earth Pro pushed the latest satellite pictures on Google Maps to a new level. More its features can be skimmed through the following "Key Features" list or fully understood from its official website.