StarCalc is described as 'is the fastest professional astronomy planetarium & star mapping program for Windows 9x/ME/NT/2000/XP (StarCalc version for PocketPC is available). It illustrates star positions of any instance of the day observed from any geographic locations on the Earth' and is an app in the Education & Reference category. There are more than 25 alternatives to StarCalc for a variety of platforms, including Windows, iPhone, iPad, Mac and Android. The best alternative is Stellarium, which is both free and Open Source. Other great apps like StarCalc are Celestia (Free, Open Source), Sky Map (Free, Open Source), Gaia Sky (Free, Open Source) and KStars (Free, Open Source).
Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. It is being used in planetarium projectors. Just set your coordinates and go.
Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects.
3D simulation of the Solar System and night sky - real time virtual orrery and observatory Features: - Heliocentric view with real-time positions of planets and planetary orbits - Schematic and realistic sizes of the planets and distances between them - Movement of the...
SkySafari is a powerful planetarium that fits in your pocket. It puts thousands of stars and planets at your fingertips. It lets you find objects in the sky using your device's built-in compass and accelerometer.