AwesomeDataviz

flowchart.js

Draws SVG flowcharts from a textual description.

Website GitHubnpm
GitHub stars
8.7K#75 in the directory
npm downloads / week
40.7K
Commits, last 12 months
1
Contributors
30
Last commit

Overview

flowchart.js is an open-source diagram-as-code tool released under the MIT license. Its GitHub repository has 8,700 stars, 1,197 forks, and 30 contributors. It is maintained with 1 commit in the last 12 months; the most recent commit was on Jan 15, 2026. On npm it is downloaded about 40.7K times per week.

Its GitHub description: Draws simple SVG flow chart diagrams from textual representation of the diagram

GitHub topics: flowchartdiagramjavascriptsvg

Install

npm
npm install flowchart.js
v1.18.0

Development activity

Commits per month to the default branch over the last 12 complete months.

00.51 Oct 2025 Nov Dec Jan 2026 Feb Mar Apr May Jun Jul Aug Sep
00.51 Oct 2025 Jan 2026 Apr Jul
1 commit from Oct 2025 to Sep 2026.
Show data as a table
MonthCommits
Oct 20250
Nov 20250
Dec 20250
Jan 20261
Feb 20260
Mar 20260
Apr 20260
May 20260
Jun 20260
Jul 20260
Aug 20260
Sep 20260

Popularity among Diagrams as code

Mermaid 90.5K Diagrams 42.7K D2 25.6K PlantUML 13.4K Markmap 13.1K flowchart.js 8.7K Penrose 8K
Mermaid 90.5K Diagrams 42.7K D2 25.6K PlantUML 13.4K Markmap 13.1K flowchart.js 8.7K Penrose 8K
GitHub stars for flowchart.js and the most-starred alternatives.
Show data as a table
ToolStars
Mermaid90,531
Diagrams42,673
D225,564
PlantUML13,352
Markmap13,147
flowchart.js8,700
Penrose7,985

Alternatives to flowchart.js

  • Mermaid

    Generate diagrams and flowcharts from markdown-like text definitions, with a live editor.

    90.5K starsTypeScriptMIT

  • Diagrams

    Diagram as code in Python for prototyping cloud system architectures.

    42.7K starsPythonMIT

  • D2

    Declarative diagram scripting language that turns text into diagrams.

    25.6K starsGoMPL-2.0

  • PlantUML

    Generates UML, Gantt, mind map and other diagrams from plain text.

    13.4K starsJavaLGPL-3.0

  • Markmap

    Builds interactive mind maps from Markdown.

    13.1K starsTypeScriptMIT

  • Penrose

    Creates diagrams from mathematical notation in plain text, from Carnegie Mellon University.

    8K starsTypeScriptMIT

flowchart.js FAQ

Is flowchart.js open source?

Yes. flowchart.js is released under the MIT license, and its source code is on GitHub.

Is flowchart.js still maintained?

Mostly. flowchart.js had 1 commit in the last 12 months; the latest was on Jan 15, 2026.

How do I install flowchart.js?

From npm: npm install flowchart.js.

What are the best alternatives to flowchart.js?

The most popular alternatives listed in Diagrams as code are Mermaid, Diagrams, and D2. See the full ranking.

What language is flowchart.js written in?

flowchart.js is primarily written in JavaScript, according to GitHub.

Data: GitHub API, npm. Updated Oct 4, 2026.