Your mission is simple: Stop the invasion of the aliens and blast them!

OpenTeacher is an application that helps you in learning a foreign language vocabulary. Just enter some words in your native or foreign language, and OpenTeacher will test you.

Calibre is a complete e-library solution. It includes library management, format conversion, news feeds to e-book conversion, e-book viewer and editor, and e-book reader sync features.

Lieutenant Skat (from German "Offiziersskat") is a fun and engaging card game for two players, where the second player is either live opponent, or a built in artificial intelligence.

The Linux Libertine fonts is a set of typefaces containing both a Serif version ("Linux Libertine") and a Sans Serif ("Linux Biolinum") designed to be used together as an alternative for Times/Times New Roman (and, in part, Helvetica/Arial).