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This program draws the Solar System's bodies in simulated 3-dimensionality. You can view all the planets, their moons and a few spaceships in motion, trace them, follow them, orbit them, and even control them. OpenUniverse was formerly known as Solar System Simulator (Ssystem). It was initially released in 1997 with the intent of creating a rotating display of the Earth on a mainstream PC. Ssystem version 1.0 was only aware of the planets. Version 1.2 added moons; and 1.6, more means of movement and better textures. The program has been renamed OpenUniverse 1.0 to underline the concept behind its further development: openness for the whole Universe, not just the solar system -- open for anyone to use, extend, and change.

PP3 creates celestial charts. It generates resolution independent maps of very high graphical quality. They can be used for example as illustrations in books or on web pages. You may use own databases or free ones from the Internet.

astLib is a set of Python modules that provides some tools for research astronomers. It can be used for astronomical plots, some statistics, common calculations, coordinate conversions, and manipulating FITS images with World Coordinate System (WCS) information through PyWCSTools - a simple wrapping of WCSTools by Doug Mink. PyWCSTools is distributed (and developed) as part of astLib.

This program generates, but does not display, image files containing raster maps of the Earth. It includes public-domain, vector data from which they are drawn, describing the continents, bodies of water, boundaries of countries and U.S. states, and a few cities. Command-line options allow centering the maps at a particular latitude and longitude and zooming in.

RoadMap is a program for Linux that displays street maps. The maps are provided by the US Census Bureau, and thus only cover the US. RoadMap is at an early stage of development. At this time there are no routing features implemented yet. RoadMap can only display the map around a specified street address or follow a GPS device (using gpsd). The plan for the future is to implement some navigation features similar to those found in commercial street navigation systems. RoadMap uses a binary file format for representing the maps that is compact enough to allow the storage of many maps on a Compact Flash or MultiMedia card. The map of Los Angeles county takes about 10 Mbytes of flash space. RoadMap comes with a set of tools to convert the US Census bureau data into its own map format.

Xplanet was inspired by Xearth, which renders an image of the earth into the X root window. Xplanet uses the Imlib library to read user supplied maps of the earth (or another planet). Orthographic and Mercator projections can be rendered to the root window or saved to a file. An image that the user can rotate interactively can be popped up in a window using OpenGL or Mesa.

AMPLE is short for "A MP3 LEnder" So what's good with AMPLE? Small, standalone (written in C using no external libraries) Allows you to listen to your own MP3's away from home, nothing more, nothing less

Aqualung is an advanced music player originally targeted at the GNU/Linux operating system. Today it is also running on FreeBSD and OpenBSD, with native ports to Mac OS X and even Microsoft Windows. It plays audio CDs, internet radio streams and podcasts as well as sound files in just about any audio format, and has a feature of inserting no gaps between adjacent tracks.

The Analysis & Resynthesis Sound Spectrograph (formerly known as the Analysis & Reconstruction Sound Engine), or ARSS, is a program that analyses a sound file into a spectrogram and is able to synthesise this spectrogram, or any other user-created image, back into a sound. ARSS is now superseded by Photosounder, which makes use of most of the techniques offered by ARSS in a simple to use and powerful graphical user interface and built in editor.

The asmix utility is a volume control knob for X windows and for AfterStep window manager especially. The knob can be used to adjust the master volume of your sound card.