U61 is a highly customizable block-based game, with network support. It has a bunch of features, including theme support, and allows the player to customize the rules of the game, by writing simple scripts.
Scientific graphics plotting package implemented as a Yorick interface to PLplot. So you get the power and ease-of-use of Yorick combined with the high-quality scientific-plotting API of PLplot
"Typsättning av text och matematiska formler med hälp av LaTeX, en handledning för handfallna" is a Swedish introduction to the typesetting system LaTeX. Suitable for Ph.D. and undergraduate students. It is released under the GNU FDL.