Vega-Lite

Vega-Lite is a high-level grammar for interactive statistical graphics. You describe a chart in concise JSON, and it compiles that into a full Vega specification.

You map data fields to visual channels such as position, color and size, and Vega-Lite creates axes, legends and scales with sensible defaults. It supports aggregation, binning, filtering and stacking. Layered and multi-view charts are possible, and selections make charts interactive.

• Concise JSON syntax for common chart types
• Automatic axes, legends and scales
• Data transforms such as aggregation and binning
• Layered and faceted multi-view displays
• Interactive selections for linked charts

Data analysts and developers who want to explore data quickly and prefer a declarative format. It suits notebooks and reports, and it can be a starting point for teams that later need more control.

Vega-Lite is open source under the BSD-3-Clause license and free to use. You can try it online in the browser before installing anything. For advanced custom graphics, you can write in the lower-level Vega language.