Janam Kundli (also called Kundali or Horoscope) is the map of heaven at the time of a birth. There is a free online software by our company which helps you creating a detailed Janam Kundali or Prashna Kundli without downloading any software. Not only you can create a detailed Kundali, but you can also take print-out or show to an astrologer - absolutely FREE. The detailed kundali software can be found here.
I am sure you will like it.