Charts & Data Visualization

Histogram Maker creates customizable histograms from entered values or imported CSV and Excel data, with image download options.

Kroki provides one API for generating diagrams from textual descriptions using libraries such as Mermaid, PlantUML, Graphviz, and D2.

Mermaid generates diagrams such as flowcharts and sequence diagrams from text using syntax similar to Markdown.

The globe library creates wireframe visualizations of a sphere using Go code.

Free open-source software for network visualization and analysis, with a desktop app and browser-based Gephi Lite for exploring graphs.

DiagramGPT generates diagrams from text prompts, with the project page describing diagram workflows for teams.

Gadfly provides statistical graphics and plotting tools for the Julia programming language.

torchvista visualizes a PyTorch model’s forward pass in notebooks and can export the visualization as an image, SVG, or HTML.

SankeyMATIC builds flow diagrams for comparing quantities across stages, with examples covering budgets, results, and processes.

Kroki CLI converts diagram files through the Kroki service, inferring diagram type from the file extension by default.

draw.io provides a free, open source application for creating diagrams, with storage options chosen by each team.

Edotor provides a web-based editor for creating and editing Graphviz diagrams.

The bqplot project provides plotting tools for IPython and Jupyter notebook environments.

Dia is free, open source drawing software for structured diagrams, with downloads, shapes, and documentation.

ipychart brings Chart.js plotting capabilities to Python and notebook workflows.

Flourish creates charts, maps, and interactive content for data storytelling without requiring coding.

Chart Builder creates charts from CSV or TSV data, including pie, bar, line, area, scatter, and donut charts.

More than 50 chart types and modules are available in ZingChart, a JavaScript library for data visualization projects.

The draw.io repository contains the JavaScript client-side editor for general diagramming and whiteboarding.

Lux automatically visualizes Pandas DataFrames to support data exploration.

Highcharts provides JavaScript charting for dashboards, maps, stock data, grids, and web applications.

Hanami provides interactive plotting and charting with ClojureScript and Vega.

Matplotlib provides Python tools for creating plots and visualizations from data.

PyQtGraph provides Python graphics, data visualization, and GUI tools for scientific and engineering applications.