Robin Good: For the geeks out there doing presentations, Flotr2 is a new HTML5 Canvas graphing library to create custom charts and graphs.
Among its key features:mobile support framework independent extensible plugin framework custom chart types FF, Chrome, IE6+, Android, iOS
You can see some examples of Flotr2 at work here: http://www.humblesoftware.com/flotr2/index
Source code: https://github.com/HumbleSoftware/Flotr2
More info: http://www.humblesoftware.com/flotr2/
Via Robin Good