Alcyone Ephemeris 

Alcyone Ephemeris is an accurate and fast astronomial ephemeris calculator covering the period 3000 BC to AD 3500. It calculates heliocentric, geocentric, and topocentric positions of the Sun (Earth), Moon, and planets.
ephemeris ephemerides astronomy planetary positions lunar positions celestial mechamics

pivique Astrology 

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Coeli - Stella 2000 

Complete astronomy software suite exploring realistic skies in real time, with observing log, Live Orbits, Sky Quiz, spoken guidance, A-Z encyclopedia, and a concentrated search embracing planets, comets, asteroids, DSOs, and 300,000 stars.
astronomy planetarium sky simulator orrery atlas skymap starmap stars planets comets asteroids dsos galaxies encyclopedia