grapher.js is a data visualization and presentation framework, written from scratch in JavaScript. It's something much-needed, but hasn't been addressed as thoroughly as necessary (Chart.js doesn't give you much control over your data or offer any analysis tools, such as linear regression, stdev, etc, and D3.js uses SVG/is slow). In this regard, it is intended to be a middle ground—a useful augmentation to a dynamic aspect of the web that is otherwise tedious to implement without a unifying API to do so.

grapher.js is small, useful, and out-of-the-way.

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