Particle Simulation is a playful simulation game which allows you to spray particles into the "air". The number of simulated particles is only limited by the speed of your computer. The particles don't interact with each other, but will bounce back from the ground and accelerate depending on a gravity constant. This constant can be changed (along with a number of other parameters) in the source code or via commandline parameters.
ppm2html is a small Linux tool that converts an RGB PPM image to an HTML page. The page will display an approximated version of the image only using ASCII characters and color definitions. The tool makes full use of 24 bit color in HTML. If a 'source string' is being defined this string will repeatedly be used as the character source for rendering the ASCII output. If omitted, random characters between 'a' and 'z' will be used. The 'red', 'green', and 'blue' values define the backgroundcolor of the HTML page. If no command line arguments are given the page is rendered black.
The Cursed MIDI Sequencer is a console-based MIDI recording and arrangement application for Linux and Windows using the ncurses library. It can be controlled via cursor navigation, pull-down menus, keyboard shortcuts, or via a MIDI instrument using accord commands. The musician, visually impaired or not, can arrange his music without ever taking his hands off the instrument.
Particle Spraying CPU meter is an applet for KDE Kicker that displays the CPU activity by spraying animated particles into the small applet window. The amount of particles corresponds to the current CPU activity, while the amount of elements bouncing in the window can be considered to reflect the usage history of the past few seconds. The particles bounce back from the borders for a while before disappearing.
Image matting tool cuts out objects in photos using an alpha-matting technique. While clear cuts can be found for all objects that are clearly separated from their environment, objects with fuzzy borders and semi-transparent areas don't have a clear outline. The tool creates an alpha channel that defines the degree to which the background shines through the foreground for every pixel. The background color can then be subtracted. The user defines a rough boundary of an object with a large brush and a high-quality segmentation is generated. Problematic areas can be edited manually.
DXF2papercraft converts a polygonal 3D model stored as a DXF file into a plain drawing in the form of a 2D DXF file. This requires the program to "unfold" the 3D model. The result is a flattened pattern of connected polygons. All edges of a polygon which are unconnected get a so-called glue tab in addition. This pattern is called a papercraft model, and it can be used to build a shape that resembles the original 3D model from paper or cardboard. After all pairs of tabs have been glued together, the paper model corresponds to the 3D object. The final model can be reinforced by fiber glass and resin to obtain a rigid, resilient structure.