1)   StarStrider 2.8
StarStrider is a software planetarium that utilizes the latest in 3D-technology in order to show you not only the planets and satellites of our solar system, but also galaxies, nebulas, and hundreds of thousand of stars - in real-time 3D.

 2)   MaterialWorlds Simulations 1.5
Live interactive physics simulations let you explore the Solar System (orbits, seasons, gravity, tides, comets and satellites), play snooker and experiment with Laws of Motion, bridge,crash,ideal gas,pendulum clock and siege engine simulations.

 3)   Adastra FREESTAR 4.02
Experience accessible astronomy with a real-time sky, comprehensive reports, arcsecond accuracy, and exciting events such as animation and live tracking.

 4)   Planet's Orbits 1.7.0
Planet's Orbits (for Windows 98/ME/2000/XP) is an accurate digital orrery with a wealth of functionality. The program uses the DE404 ephemeris (accurate for dates between 2000 B.C. and 6000 AD) for the calculation of planetary (except Pluto).

 5)   Space Exploration 3D Screensaver 1.01
Would you like to see the rings of Saturn and the Asteroid Belt? This screensaver features a very realistic and accurate 3D model of the Solar System. Embark on your own exploratory voyage with this screensaver of unparalled beauty!

 6)   Coeli - Stella 2000 6.0.3.1
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.

 7)   AstroWin CE Expert Edition 2.2
AstroWin CE is an astrological application, which you can use to display the zodiac on a Pocket PC. Just think how great it would be to do a quick chart anywhere, without that spatial connection.

 8)   EasySky 3.01.15
Astronomy software, shows you the complete night sky (340,000 stars) and our solar system in a 3D orrery view with the planets, asteroids, and comets from any place at any time. Many animation options, printing.

 9)   Planet Quest 2.3
In the last ten years astronomers have discovered over 130 planets beyond our own solar system. Planet Quest is our artistic vision of what these worlds might look like, using the awesome power of your PC to create an infinity of stunning 3D Worlds.

 10)   Planetarium 1.33
See 2500 stars, all 88 constellations, planets and the moonphase from 4713 BC to 9999 AD from any location on earth. Print todays night sky ! Nice visuals, smooth animation, simple controls, good planet data too.

 11)   CyberSky 3.3.1
CyberSky is an exciting, entertaining, and educational astronomy program that transforms your personal computer into your personal planetarium. CyberSky provides an excellent way to learn about astronomy and to explore the wonders of the sky.

 12)   pivique Astrology 1.01
Graduated ear training exercises for pitch and interval identification.

 13)   Galaxy Unfurled 1.3
The growing unrest among the galactic legions forebodes of interstellar war. Posturing of alliances and positioning of fleets, and yet, even as the galactic warlords arm themselves to the fangs, civilization blooms on lush green worlds, undeterred.

 14)   Solar System 3D Screensaver 1.42
Have you ever wanted to see the rings of Saturn and the Asteroid Belt? This screensaver is an outstanding 3D model of the solar system. It's not only the sheer beauty but also the educational content that make this an absolute must-have.

 15)   300 Science Quizzes 1.0
300 Science Quizzes: 150 Capital city quizzes, 120 Chemistry and Periodic Table quizzes, 20 Astronomy picture-quizzes and 10 questions about the speed of light for middle and high school students.

 16)   Parsecs Apart 1.0
In Parsecs Apart, human colonists endeavor to build a new civilization in a new galaxy. They will need architecture, armies, spaceships, planets, and perhaps most daunting of all, alien diplomacy.

 17)   3D Asteroids 1.2
Through space, myriad stars and asteroid fields to unknown worlds… It will petrify your imagination. Incredible 3D graphic and marvelous visual effects are the distinctive features if this 3D free screensaver. Have a lot of fun!

 18)   3D Outer Space 1.0
Let these images of outer space and cosmic sounds mesmerize your imagination. Watch and wonder as space stations, planets, stars, and galaxies appear before your eyes--all in glorious 3D. Fitting and complementary music included.

 19)   Space Explorer 1.0
Space Explorer 1.0 is an astronomically and physically realistic interactive 3D application for simulating and exploring solar systems just like a real astronaut.

 20)   Incoming 1.0
A great free arcade game based on classic arkanoid. New features will provide you with several hours of absolute pleasure and fun! Defend your planet from the invasion and shoot at the enemies. Bright colors, real drive. Free to play and download.