Vega

Vega is an open-source visualization grammar designed for creating interactive, web-based data visualizations using declarative JSON specifications. It allows developers to define data, visual marks, scales, axes, legends, layouts, and interactions in a structured format, making it suitable for creating charts, graphs, dashboards, and other data-driven visualizations. Vega also supports data transformations and rendering visualizations into formats such as PNG, SVG, and PDF, providing a flexible solution for data analysis and visual presentation.

• Create interactive and declarative data visualizations using JSON specifications.
• Supports various visualization types, including bar charts, line charts, scatter plots, area charts, and more.
• Provides configurable scales, axes, legends, marks, layouts, and graphical elements.
• Supports data transformations such as filtering, aggregation, sorting, and calculations.
• Enables interactive visualizations through event handling and user interactions.
• Can be integrated into JavaScript and web-based applications.
• Provides command-line tools for rendering Vega visualizations into PNG, SVG, and PDF formats.

Vega usage:

$ sudo su
$ apt update
$ Check it's path: find / -iname "vega-6.4.0" -type d 2>/dev/null

$ Verify installation:
# node -p "require('/home/bb-vegaa/vega-6.4.0/packages/vega/package.json').version"