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A full-featured program for creating floorplans for a new house, or modifying your existing house.

A security software which will calculate the number of exits (doors, emergency exits etc) necessary in a public building which is designed to hold a specified number of people.

A software for creating 3D trees which can then be exported as.dxf files.

SETI@home is a scientific experiment that uses Internet-connected computers in the Search for Extraterrestrial Intelligence (SETI).

An astronomy software with planetarium.

Winstars is a software for observing the sky.

A Celestial navigation program for useful for sailors

A calendar of movable feasts and religious holidays in France. Includes the holidays /feasts of the main religions (catholic, orthodox, muslim, jewish), calculates the phases of the moon and sunrise and sunset

Software which models the trajectory of an artificial satellite around a attracting body.

This is a star charting and planetarium program for serious and professional astronomers. It displays the sky as seen from any location on earth.