DangoGirl
This is an interesting game based on QT, which can run on both Linux and Windows platform (totally two editions of the game).
Character materials come from the "Clannad" or are self-made products.
Other materials come from various Janpanese Cartoon and the area of ACG.
You could see all the CODE in the folder of DangoGirl,
see all the document in the folder of document,
see all the resource in the folder of images and music.
And also you could derectly run this program with DangoGirl.exe.