Mapton combines the simplicity of a mobile app with the capability of being extensible with powerful custom plugins. On its own, Mapton is a capable map application, however, Mapton is also a platform for GIS related plugin development.
An independently developed desktop operating system.Puppy is extraordinarily small, yet quite full-featured. Puppy boots into a ramdisk and, unlike live CD distributions that have to keep pulling stuff off the CD, it loads into RAM. This means that all applications start in the blink of an eye and respond to user input instantly.