The Google Chart API returns a PNG-format image in response to a URL. Several types of image can be generated: line, bar, and pie charts for example. For each image type you can specify attributes ...
Flex provides a rich, sophisticated set of dynamic charts, but a license fee is required (via purchase of FlexBuilder Professional) to use these Flex charts for most realistic production situations.
Seattle-based startup Vida.io has created a data visualization service offering a front end for both Google’s Charts visualization API and the JavaScript library D3.js, along with free public hosting ...