Stellarium 0.11.4 - Open source desktop planetarium.. (Free): "
Stellarium is an open source desktop planetarium. It renders the skies in realtime using OpenGL, which means the skies will look exactly like what you see with your eyes, binoculars, or a small telescope. Stellarium is very simple to use, which is one of its biggest advantages: it can easily be used by beginners.
- New plugin: Exoplanets.
- New plugin: Observability analysis.
- Improvements to Night Vision mode.
- New scripts.
- Library linking issue that caused crashes on Mac
- Mac OS X 10.6 or later
- 3D Card with support for OpenGL
(Via MacUpdate - Mac OS X.)