Using ChartAll , You can create our own charts for free and anonymous.
Registration is free and anonymous, and enables you to save and edit your charts, make them private, link to them from your web pages or share them to everybody or to some user groups.
Saved charts can also be accessed from your Google Homepage using our Google Gadget
Sample Input I gave: (Just for fun)
Sample Chart Returned in .png format for the above data:
Alternative to Excel Charts