Charts & Data Visualization

teeplot organizes visualization output and names files based on semantic plotting variables.

Apache Superset provides a community site for its open-source data visualization and exploration platform.

ggplot2 creates declarative data visualizations based on the Grammar of Graphics.

The glot package provides plotting functions for Go programs using gnuplot.

Svgbob converts text-based ASCII diagrams into SVG graphics, with both a library and command-line interface.

Flowchart Fun generates flowcharts and diagrams from text through a web application.

This Datawrapper repository contains shared JavaScript utility functions for client-side data visualization, released under the MIT license.

Percival enables querying complex datasets and producing interactive graphics through a declarative data language.

Flowchart Fun converts text into flowcharts, mind maps, and process diagrams through an online text-based editor.

Mermaid Live Editor creates charts and diagrams from text using Mermaid’s markdown-like syntax in a browser.

BarGraphMaker creates customizable bar charts that users can download as JPG, PNG, or SVG images.

CASCII provides an open-source ASCII diagram builder written in JavaScript, according to its page description.

Quiver provides a commutative diagram editor with support for tikz-cd notation, according to its page description.

Tree generates ASCII diagrams of folder structures as a browser utility written in TypeScript and React.

JDL-Studio draws UML diagrams from JDL syntax and provides instant feedback with customizable styling.

PlantText provides an online editor for PlantUML code and generates class, sequence, activity, and state diagrams.

Diagramify turns a written diagram description into a diagram, with a simple prompt-and-generate workflow shown on its page.

In a browser, yEd Live supports diagram creation, import, editing, and automatic arrangement for free.