Elaya.org software
 
Mobile Android games
Do you like playing word games/puzzles?
This app has 10 exciting wordgames for free!
Get it here: Word game collection(EspaƱol)
Download from this site: Download apk

A great collection of number puzzles.
Get it here: The Number Games

Mobile apps
GPS Location

Linux(opensource)
BLGUI: a block device information viewer
ProcGUI: an advanced process viewer for linux
OfGui: A linux gui tool that displays and monitors open files