Jeffrey Heer

barnes-hut. Interactive explanation of the Barnes-Hut approximation.

datavore. A small, fast, in-browser database engine written in JavaScript.

dream-stream. Generating visual imagery to represent a text stream. An exercise from the CHI 2012 CrowdCamp Workshop.

d3. A JavaScript visualization library for HTML and SVG.

c3. C3 (Categorical Color Components) is a JavaScript library for modeling color naming data. It can be used to create a variety of applications, including improved color selection, image editing, or palette analysis tools.

protovis. A visualization toolkit for JavaScript using SVG.

Flare. Flare is an ActionScript library for creating visualizations that run in the Adobe Flash Player. From basic charts and graphs to complex interactive graphics, the toolkit supports data management, visual encoding, animation, and interaction techniques.

Prefuse. Prefuse is a set of software tools for creating rich interactive data visualizations in the Java programming language. Prefuse supports a rich set of features for data modeling, visualization, and interaction. It provides optimized data structures for tables, graphs, and trees, a host of layout and visual encoding techniques, and support for animation, dynamic queries, integrated search, and database connectivity.

plot. A concise API for exploratory data visualization

vega-projection-extended. Extended projections for cartographic mapping.

d3-force. Force-directed graph layout using velocity Verlet integration.