Banshee Music Player enhancement letting you view your album in 3D mode.
Teletext4www is a system that allows you to browse teletext pages with your webbrowser. It has big (as big as your disk) page cache and can work with multiple tv channels. It should support all v4l-vbi compatbile tv-cards.
This is an application to run presentations made from various source files, which you can arrange in a playlist. It outputs to a separate window, which has no border and have a size given by a user. It's useful for driving LED walls or projectors.