G2 是一套简洁的渐进式可视化语法，用于报表搭建、数据探索以及可视化叙事。

Vega is a declarative format for creating, saving, and sharing visualization designs. With Vega, visualizations are described in JSON, and generate interactive views using either HTML5 Canvas or SVG.

D3 is a JavaScript library for visualizing data with HTML, SVG, and CSS.