tetrinet-client is a textmode client for the multiplayer tetris version called tetrinet. This client is able to play both in tetrifast and the original version of the game. Please notice that you need at least 50 lines to be able to play it.

XFOIL is an interactive program for the design and analysis of subsonic isolated airfoils. It consists of a collection of menu-driven routines which perform various useful functions such as: - Viscous (or inviscid) analysis of an existing airfoil - Airfoil design and redesign by interactive specification of a surface speed distribution via screen cursor or mouse - Airfoil redesign by interactive specification of new geometric parameters - Blending of airfoils - Drag polar calculation with fixed or varying Reynolds and/or Mach numbers. - Plotting of geometry, pressure distributions, and polars

Wordplay generates anagrams of words. For example, "Debian" = "Bendai" (with an Italian Dictionary) or "Debani" (with an Catalan Dictionary).

mpgtx is a tool to manipulate MPEG files. Its features include the following:

s3d is a 3d network display server which can be used as 3d desktop environment.