Netplan reads YAML network configuration files which are written by administrators, installers, cloud image instantiations, or other OS deployments. During early boot it then generates backend specific configuration files in /run to hand off control of devices to a particular networking daemon.

OpenOrienteering Mapper is an application to draw maps for forest, sprint, MTB and radio orienteering races. It comes with predefined symbol sets implementing the IOF standards ISOM (1:15000, 1:10000) and ISSOM (1:5000, 1:4000). It is easy to implement additional symbol sets.

MayaVi2 is a cross-platform tool for 2-D and 3-D scientific data visualization. Its features include: * Visualization of scalar, vector and tensor data in 2 and 3 dimensions * Easy scriptability using Python * Easy extendability via custom sources, modules, and data filters * Reading several file formats: VTK (legacy and XML), PLOT3D, etc. * Saving of visualizations * Saving rendered visualization in a variety of image formats.

Advanced GTK+ Sequencer is intended to be used for music composition. It features a piano roll, as well as a synth, matrix editor, drum machine, soundfont2 player, mixer and an output panel. It’s designed to be highly configurable. You may add effects to its effect chain; and add or remove audio channels/pads. You may set up a fully functional network of engines, thus there is a link editor for linking audio lines.

OptiPNG is a PNG optimizer that recompresses the image files to a smaller size. It losslessly reduces the bit depth, the color type and the color palette of the image, runs a suite of compression methods and strategies, and selects the compression parameters that yield the smallest output file. It also recognizes several external file formats like BMP, GIF, TIFF and PNM (PBM, PGM, PPM).

A library that sends desktop notifications to a notification daemon, as defined in the Desktop Notifications spec. These notifications can be used to inform the user about an event or display some form of information without getting in the user's way.