16 Free Open-source JavaScript Flowchart Libraries for React, React Native, jQuery and Pure JavaScript

Flowcharts are powerful tools for visualizing processes, workflows, and systems. They use standardized symbols to represent different steps and connections, making complex information easier to understand.

In web applications, flowcharts can enhance user experience by providing clear, interactive diagrams for tasks like project management, system design, or data analysis.

Why Do You Need a Flowchart in Your Web App?

Integrating a flowchart editor into your web app brings numerous advantages. It allows users to create and manipulate diagrams intuitively, improving their ability to plan, visualize, and execute various processes.

This can be particularly beneficial in applications for project management, software development, business process modeling, and more. By offering a flowchart editor, you empower users to represent complex workflows graphically, making information more accessible and actionable.

31 Free React Data Visualization and Chart Libraries

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Best Open-Source JavaScript Libraries for Building Flowcharts

When developing a web app that requires flowchart functionality, it's essential to choose a robust and flexible library.

Here, we present a curated list of the best open-source JavaScript libraries for building flowcharts, ensuring you have reliable options to enhance your application's capabilities.

1. flowchart.js

flowchart.js is a flowchart DSL and SVG render that runs in the browser and terminal.

Nodes and connections are defined separately so that nodes can be reused and connections can be quickly changed. Fine grain changes to node and connection style can also be made right in the DSL.

GitHub - adrai/flowchart.js: Draws simple SVG flow chart diagrams from textual representation of the diagram

Draws simple SVG flow chart diagrams from textual representation of the diagram - adrai/flowchart.js

GitHubadrai

2. jquery.flowchart

jquery.flowchart.js is an open source JavaScript jQuery UI plugin that allows you to draw and edit a flow chart.

GitHub - sdrdis/jquery.flowchart: JQuery plugin that allows you to draw a flow chart.

JQuery plugin that allows you to draw a flow chart. - sdrdis/jquery.flowchart

GitHubsdrdis

3. Flowy

Flowy makes creating WebApps with flowchart functionality an incredibly simple task. Build automation software, mind mapping tools, or simple programming platforms in minutes by implementing the library into your project.

Features

•  Responsive drag and drop
•  Automatic snapping
•  Automatic scrolling
•  Block rearrangement
•  Delete blocks
•  Automatic block centering
•  Conditional snapping
•  Conditional block removal
•  Import saved files
•  Mobile support
•  Vanilla javascript (no dependencies)

GitHub - alyssaxuu/flowy: The minimal javascript library to create flowcharts ✨

The minimal javascript library to create flowcharts ✨ - alyssaxuu/flowy

GitHubalyssaxuu

4. Dgrm.net - flowchart editor

Dgrm.net - flowchart editor. Works on desktop, phone and tablet. Has no dependency. Pure JavaScript.

GitHub - AlexeyBoiko/DgrmJS: Dgrm.net - flowchart editor. Works on desktop, phone and tablet. Has no dependency. Pure JavaScript.

Dgrm.net - flowchart editor. Works on desktop, phone and tablet. Has no dependency. Pure JavaScript. - AlexeyBoiko/DgrmJS

GitHubAlexeyBoiko

5. Drawflow

Drawflow is an open-source project that allows you to create data flows easily and quickly.

Features

• Drag Nodes
• Multiple Inputs / Outputs
• Multiple connections
• Delete Nodes and Connections
• Add/Delete inputs/outputs
• Reroute connections
• Data sync on Nodes
• Zoom in / out
• Clear data module
• Support modules
• Editor mode edit, fixed or view
• Import / Export data
• Events
• Mobile support
• Vanilla javascript (No dependencies)
• NPM
• Vue Support component nodes && Nuxt

GitHub - jerosoler/Drawflow: Simple flow library 🖥️🖱️

Simple flow library 🖥️🖱️. Contribute to jerosoler/Drawflow development by creating an account on GitHub.

GitHubjerosoler

6. Flowchart React

This is a free and open-source Lightweight flowchart & flowchart designer for React.js.

GitHub - joyceworks/flowchart-react: Lightweight flowchart & flowchart designer for React.js.

Lightweight flowchart & flowchart designer for React.js. - joyceworks/flowchart-react

GitHubjoyceworks

7. React Flow Chart

React Flow Chart is a free and open-source flexible, stateless, declarative flow chart library for react.

Features

•  Draggable Nodes and Canvas
•  Create curved links between ports
•  Custom components for Canvas, Links, Ports, Nodes
•  React state container
•  Update state on Select/Hover nodes, ports and links
•  Base functionality complete
•  Stable NPM version
•  Scroll/Pinch canvas to zoom
•  Read-only mode

GitHub - MrBlenny/react-flow-chart: 🌊 A flexible, stateless, declarative flow chart library for react.

🌊 A flexible, stateless, declarative flow chart library for react. - MrBlenny/react-flow-chart

GitHubMrBlenny

8. xyflow

This project offers a powerful open source libraries for building node-based UIs with React or Svelte. Ready out-of-the-box and infinitely customizable.

GitHub - xyflow/xyflow: React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely customizable.

React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely cust…

GitHubxyflow

9. React Diagrams

React Diagrams is a super simple, no-nonsense diagramming library written in React that just works.

GitHub - projectstorm/react-diagrams: a super simple, no-nonsense diagramming library written in react that just works

a super simple, no-nonsense diagramming library written in react that just works - projectstorm/react-diagrams

GitHubprojectstorm

10. React Flow

React Flow is a free and open-source library that enables developers to create visual flowcharts in their ReactJS Apps.

GitHub - shamin/react-flow: Create flow charts in ReactJS

Create flow charts in ReactJS. Contribute to shamin/react-flow development by creating an account on GitHub.

GitHubshamin

11. REAFLOW

REAFLOW is a modular diagram engine for building static or interactive editors. The library is feature-rich and modular allowing for displaying complex visualizations with total customizability.

Features

• Complex automatic layout leveraging ELKJS
• Easy Node/ Edge/ Port customizations
• Zooming / Panning / Centering controls
• Drag and drop Node/ Port connecting and rearranging
• Nesting of Nodes/ Edges
• Proximity based Node linking helper
• Node/ Edge selection helper
• Undo/ Redo helper

GitHub - reaviz/reaflow: 🎯 React library for building workflow editors, flow charts and diagrams. Maintained by @goodcodeus.

🎯 React library for building workflow editors, flow charts and diagrams. Maintained by @goodcodeus. - reaviz/reaflow

GitHubreaviz

12. React Flowchart Builder

This is a free lightweight component to design flowcharts. 

Features

• Different shapes of nodes.
• Add/ Remove/ Move nodes
• Add/ Remove/ Reshape links between nodes
• Enable/ Disable adding/ editing/ removing links
• Zoom and Pan
• Raw or typed input/ output

GitHub - TaqBostan/react-flowchart-builder: A lightweight component to design flowcharts.

A lightweight component to design flowcharts. Contribute to TaqBostan/react-flowchart-builder development by creating an account on GitHub.

GitHubTaqBostan

13. TailwindCSS React Flowchart

This is a free and open-source sample flowchart using React js and Tailwind CSS.

GitHub - ravisankarchinnam/tailwindcss-react-flowchart: TailwindCSS React flow chart

TailwindCSS React flow chart. Contribute to ravisankarchinnam/tailwindcss-react-flowchart development by creating an account on GitHub.

GitHubravisankarchinnam

14. React Flow Chart Editor

A window editor that supports flow chart editing. The window editor supports window positioning, resizing and workspace panning. Simple component plugin architecture to allow easy customization. No additional package dependency.

GitHub - aislelabs/react-flowchart-editor: A windowed flow chart editor in React

A windowed flow chart editor in React. Contribute to aislelabs/react-flowchart-editor development by creating an account on GitHub.

GitHubaislelabs

15. X-Flowchart-Vue

A visual graph editor based on G6 and Vue.

GitHub - OXOYO/X-Flowchart-Vue: 基于G6和Vue的可视化图形编辑器。A visual graph editor based on G6 and Vue.

基于G6和Vue的可视化图形编辑器。A visual graph editor based on G6 and Vue. - OXOYO/X-Flowchart-Vue

GitHubOXOYO

16. GoJS

GoJS is a flexible library that can be used to create a number of different kinds of interactive diagrams, including data visualizations, drawing tools, and graph editors. There are samples for flowchart, org chart, business process BPMN, swimlanes, timelines, state charts, kanban, network, mindmap, sankey, family trees and genogram charts, fishbone diagrams, floor plans, UML, decision trees, PERT charts, Gantt, and hundreds more. GoJS includes a number of built in layouts including tree layout, force directed, circular, and layered digraph layout, and many custom layout extensions and examples.

GoJS is renders either to an HTML Canvas element (with export to SVG or image formats) or directly as SVG DOM. GoJS can run in a web browser, or server side in Node or Puppeteer. GoJS Diagrams are backed by Models, with saving and loading typically via JSON-formatted text.

GitHub - NorthwoodsSoftware/GoJS: JavaScript diagramming library for interactive flowcharts, org charts, design tools, planning tools, visual languages.

JavaScript diagramming library for interactive flowcharts, org charts, design tools, planning tools, visual languages. - NorthwoodsSoftware/GoJS

GitHubNorthwoodsSoftware