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Use QMapShack to plan your next outdoor trip or to visualize and archive all the GPS recordings of your past exciting adventures. QMapShack is the next generation of the famous QLandkarte GT application. And of course it's even better and easier to use.

ReadOSM is an open source library to extract valid data from within an Open Street Map input file. Such OSM files come in two different formats: * files identified by the .osm suffix simply are plain XML files. * files identified by the .osm.pbf suffix does containt the same identical data, but adopting the Google's Protocol Buffer serialization format and thus requiring much less storage space.

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.

Routino is an application for finding a route between two points using the dataset of topographical information collected by http://www.OpenStreetMap.org. This router uses a routing algorithm that takes OSM format data as its input and calculates either the shortest or quickest route between two points. To optimise the routing a custom database format is used. This allows the routing to be performed quickly after a modest one-off pre-processing stage. A selection is possible for any of the major OSM transport types and for each of the main OSM highway types a preference can be provided and a speed limit. Restrictions on one-way streets, weight, height, width and length are also options. Further preferences about road properties (e.g. paved or not) can also be selected. The processing of the input XML file is based on rules in a configuration file that transform the highway tags into tags that are understood by Routino. The generation of the output files (HTML and GPX) uses language fragments selected from another configuration file which allows multi-lingual output from the same database. The router takes into account private/public/permissive restrictions on highways as well as tagged speed limits and barriers (gates, bollards). The simplest and most common turn restriction relations (those composed of a way, node and way) are also supported.

SAOimage (pronounced S-A-0-image) displays astronomical images in the X11 window environment. It was written by Mike Van Hilst while he was at the Smithsonian Astrophysical Observatory (SAO) in 1990 and is now maintained by Doug Mink also at the SAO. Online help and documentation are on the webpage. Image files can be read directly, or image data may be passed through a named pipe (Unix) or a mailbox (VMS) from IRAF display tasks. SAOimage provides a large selection of options for zooming, panning, scaling, coloring, pixel readback, display blinking, and region specification. User interactions are generally performed with the mouse, but keyboard alternatives are often available. The SAOimage desktop includes, a main image display window, a button menu panel, a display magnifier, a pan and zoom reference image, and a color bar. A color table graph window can be brought up by clicking on the color bar.

This is sscalc, a sunrise/sunset time calculator, ported to C. You can find the sunrise and sunset times for anywhere in the world as long as you know the latitude and longitude of the location. The program is a port of the JavaScript program located at http://www.srrb.noaa.gov/highlights/sunrise/gen.html The page was written by Aaron Horiuchi, Chris Lehman and Chris Cornwall.

SExtractor is a program that builds a catalogue of objects from an astronomical image. Although it is particularly oriented towards reduction of large scale galaxy-survey data, it performs rather well on moderately crowded star fields.

Keys: * Cursor keys move the view around. * +/- Speed the stars up and down. * Space resets the speed and the view. * Q quits. Have fun and don't get too dizzy!

Displays date in 5 formats (including stardate of course)