Hello, this is the Open Flash Chart project. Note: "Open Flash Chart 2" is LGPL .
We frequently get requests to review and write about analytics-related solutions. I’ve put off most of these requests because it sounded like a lot of work. Then I had an 4-hour-work-week-style epiphany: most new users only give a new product or service a few minutes before they make up their mind.
FusionCharts Free is an open-source Flash charting component that can be used to render data-driven & animated charts in your web applications, desktop applications and presentations.
Protovis composes custom views of data with simple marks such as bars and dots . Unlike low-level graphics libraries that quickly become tedious for visualization, Protovis defines marks through dynamic properties that encode data, allowing inheritance , scales and layouts to simplify construction.
Here you have a new roundup about a bunch of great tools for making charts and graphs.