VideLibri lists the books you have lend from a public library and lets you search the library catalog from your local device. It has all the usual features of an library OPAC, i.e. viewing, renewing, searching and ordering books. It also renews all due books automatically and can do other things only a locally running app can do, like keeping a history of all ever lend books across multiple libraries. It is the world's first library app. So far VideLibri has been tested with 200 libraries succ
TuxMinds is a visial program designer for autonomous robots. It supports ASURO, NxT, RcX and some extension hardware can be integrated, freely configurable models. A tutorial video is available, and Debian packages or an ISO image.
JSkat is a card game. It's implemented in Java, works with the International Skat Server to allow playing against real players or Skat AI engines.
TV-Browser is a Java-based electronic TV program guide browser. Per default it looks like a classic paper TV periodical, and it can be extended with new source plugins to the existing 1000 TV stations and 100 radios.