Do you always want to have charts on your application, but afraid a developer would ask for high price. OR if you are a developer and looking for effective charting solution for your application. Then the good news is google has already taken care of it.
http://code.google.com/apis/chart/
Create your own chart with ease using this, all you have to do is pass some values and variables and it is done.
Hope you enjoy this service 🙂