GEOPosCalc is an easy to use and powerfull tool for coordinate systems (grid) and datum conversion. It does support more than 200 predefined datums, 20 ellipsoids and 10 coordinate systemsand the ability to define your own datums and ellipsoids.
Asynx Planetarium is a easy to use planetarium program and solar system simulator. Other programs show only the sky and its hard to get an overview. Asynx Planetarium can display the night sky from any location on earth and between the year 1760...
TOPOWIN is a state-wide register of the German Topographic Cartographies, the German Basic Cartography and of localities with geo references in different coordinate systems. It is also a topographic information system. In the division of planning...
ORTWIN is a program for the state-wide inquiry of the localities in Germany. It finds postal zip codes, telephone pre selections, coordinates, it performs perimeter searches and distance calculations. The program determines municipal codes, local...