- PC with running Garmin Mapsource or Basecamp
- Approx 406MB free Hard Drive Space
- A LICENSED version of Garmin "Trip and Waypoint Manager", "MapSource" , "CityNavigator" or "BaseCamp". Some of these are available for download for free from the Garmin support site http://www.garmin.com).
Some users have reportedly been able to use shonkymaps on other operating systems (such as Linux) using products like SendMap. Refer to the gpsaustralia forum for details.