This question has been asked many many times before, perhaps that is why you have not received many responses.
Perhaps you do some searches for past threads.
Do you know what you want the software to do ??
or what type of charting analysis you want to do ??
Will you do traditional T/A, or Elliot Wave, Gann or Wyckoff, do you want to write your own indicators or scans, or interactively off the charts ??
