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In xspacewarp the player maneuvers a Federation spaceship, called the Endever, through 81 sectors of space trying to destroy an Armada of enemy Jovian ships before they destroy the all the Federation bases. To accompish this task, the Endever has fasers, ion thrust engines, warpdrive for jumping between sectors, a limited number of photon torpedoes, and a finite store of energy which gets depleted during battles and must be replenished by docking with the bases. The game has no time limit and has a choice of 10 skill levels. xspacewarp also has an online orientation to explain the game in further detail.

ePiX is a LATEX pre-processor that creates mathematically accurate plots and line figures using easy-to-learn syntax. The user interface is superficially that of LATEX itself: You prepare a short input file and ``run ePiX'' on this file, which produces a text file that is included into a LATEX document. Because the output is plain text, the output can be edited manually if necessary. However, for most visual tweaking it is easier and safer to change the source and re-run ePiX.

pdfpc is a GTK based presentation viewer application which uses Keynote like multi-monitor output to provide meta information to the speaker during the presentation. It is able to show a normal presentation window on one screen, while showing a more sophisticated overview on the other one providing information like a picture of the next slide, as well as the left over time till the end of the presentation. The input files processed by pdfpc are PDF documents, which can be created using nearly any of today's presentation software.

The Unidentified Flying Raw (UFRaw) is a utility to read and manipulate raw images from digital cameras. It can be used on its own or as a Gimp plug-in. It reads raw images using Dave Coffin's raw conversion utility -- DCRaw. UFRaw supports basic color management using Little CMS, allowing the user to apply color profiles. For Nikon users UFRaw has the advantage that it can read the camera's tone curves. Even if you don't own a Nikon, you can still apply a Nikon curve to your images.

Tgif is an interactive drawing tool that allows the user to draw and manipulate objects in the X Window System. It's also a hyper-graphics (or hyper-structured-graphics) browser on the World-Wide-Web. Its hyper-text home page is http://bourbon.usc.edu:8001/tgif/ and its hyper-graphics home page is http://bourbon.usc.edu:8001/tgif/index.obj. Tgif drawings can be converted to a variety of formats, including GIF, encapsulated PostScript and XBM. Version 4 has a completely revamped 3-D user interface, as well as a host of new features.

Quassel IRC is a modern, cross-platform, distributed IRC client based on the Qt framework. Distributed means that one (or multiple) client(s) can attach to and detach from a central core that stays permanently online. Re-attaching your client will show your IRC session in the same state as you left it in (plus whatever happened while you were gone), and this even when you re-attach from a different location. An optional Beginner's Mode completely hides this feature, so Quassel IRC can be used like a traditional client.

The rlytest utility tests a host to determine whether it will relay third-party email. It will try to relay an email message to yourself through that host. A host that allows third-party relay is subject to attack by Internet vandals, and frequently is hijacked by spammers to relay massive amounts of junk email. A host that allows third-party relay should IMMEDIATELY be secured, disconnected, or shunned as a menace to the Internet. See http://www.unicom.com/sw/rlytest for more information. rlytest was written by Chip Rosenthal.

RPy is a very simple, yet robust, Python interface to the R Programming Language. It can manage all kinds of R objects and can execute arbitrary R functions (including the graphic functions). All the errors from the R language are converted to Python exceptions. Any module that later were installed on the R system, can easily be used from within Python, without introducing any changes. rpy2 is a redesign and rewrite of rpy. It is providing a low-level interface to R, a proposed high-level interface, including wrappers to graphical libraries, as well as R-like structures and functions.

The octave-forge package is the result of The GNU Octave Repositry project, which is intended to be a central location for custom scripts, functions and extensions for GNU Octave. contains the source for all the functions plus build and install scripts. This is ltfat. The Large Time/Frequency Analysis Toolbox (LTFAT) is a Matlab/Octave toolbox for working with time-frequency analysis, wavelets and signal processing. It is intended both as an educational and a computational tool. The toolbox provides a large number of linear transforms including Gabor and wavelet transforms along with routines for constructing windows (filter prototypes) and routines for manipulating coefficients.

The octave-forge package is the result of The GNU Octave Repositry project, which is intended to be a central location for custom scripts, functions and extensions for GNU Octave. contains the source for all the functions plus build and install scripts. This is nlwing2. This package allows efficient computation of nonlinear aerodynamic properties of a wing. It employs 2D section data to build a 3D potential vortex model of the flow. It uses a robust Euler-Newton method to track the change of flow vorticity quantities as the angle of attack progresses.