Vega and Vega-Lite

Spec sheet

What it does

Vega is a declarative JSON grammar for creating, saving, and sharing interactive visualizations rendered as web views using Canvas or SVG.Read 11 Oct 2026 · vega.github.io

Free plan

YesRead 23 Sep 2026 · vega.github.io

Support

The project directs users to the Vega discussion forum and Slack organization for help and sharing examples.Read 11 Oct 2026 · github.com

License

The Vega repository identifies its license as BSD-3-Clause.Read 11 Oct 2026 · github.com

Analysis features

Vega-Lite supports data transformations such as aggregation, binning, filtering, and sorting, plus layered and multi-view displays and interactive selections.Read 11 Oct 2026 · vega.github.io

Dashboard type

interactiveRead 23 Sep 2026 · vega.github.io

Data sources

Inline data,URL-loaded data,runtime-bound data; JSON,CSV,TSV,DSV,TopoJSONRead 23 Sep 2026 · vega.github.io

Ecosystem integrations

The Vega-Lite ecosystem lists integrations including Altair’s Python API, a Vega-Lite JavaScript API, JupyterLab, Observable, and Kibana.Read 11 Oct 2026 · vega.github.io

Embedded dashboards

YesRead 23 Sep 2026 · vega.github.io

Features

Vega supports data loading and transformation, scales, map projections, axes, legends, graphical marks, and reactive interactions driven by input events.Read 11 Oct 2026 · vega.github.io

Intended audience

The project describes its goal as supporting use cases from exploratory data analysis to communication through custom visualization design.Read 11 Oct 2026 · vega.github.io

JavaScript and Node.js

Vega can be imported as a JavaScript module and used in Node.js projects with its View API.Read 11 Oct 2026 · vega.github.io

Online editor

The Vega-Lite ecosystem identifies Vega-Editor as an online editor for Vega and Vega-Lite that can output a Vega specification from a Vega-Lite specification.Read 11 Oct 2026 · vega.github.io

Platform

webRead 23 Sep 2026 · vega.github.io

Rendering

Vega can render interactive browser visualizations or static PNG and SVG images server-side, and its command-line utilities can also render PDF files.Read 11 Oct 2026 · vega.github.io

Security constraint

Vega is not compliant with standard Content Security Policy by default because its expression language uses the Function constructor; an alternative expression interpreter is available for CSP-compliant use.Read 11 Oct 2026 · vega.github.io

Server-side dependency

Server-side PNG generation and accurate font metrics require node-canvas, which is not included by default in the vega package.Read 11 Oct 2026 · vega.github.io

Vega-Lite

Vega-Lite is a higher-level grammar with concise JSON syntax for creating visualizations for data analysis and presentation.Read 11 Oct 2026 · vega.github.io

Web integration

Vega-Embed adds Vega or Vega-Lite visualizations to web pages and can load specification files from a URL.Read 11 Oct 2026 · vega.github.io

Plans and prices

Every Vega and Vega-Lite plan and price →

Where Specifiction places it

• Data Visualization Software#33 of 988.3
• Data Visualization Libraries Software#12 of 237.7