Astrolog is a fully customizable application helpful to create astrological charts and diagrams. It comes with features that let you chose what to draw. You can create circles, planets trajectory and orbits, zodiacs and constellations and many things more to complete astrological analysis.
This software is also capable to measure your biorhythm and tell you the days that are more productive for you and in which ones you will notice how your energy slows you down.
You can convert your chart drawings into any image format you want, such as JPEG, DOC or bitman. This is perfect to be included in your Website because it comes with an open source code format.