AwesomeDataviz

nomnoml

Draws UML diagrams from a simple text syntax.

Website GitHubnpm
GitHub stars
2.8K
npm downloads / week
29.1K
Commits, last 12 months
1
Contributors
17
Last commit
Latest release
v1.7.0Dec 14, 2024

Overview

nomnoml is an open-source diagram-as-code tool released under the MIT license. Its GitHub repository has 2,837 stars, 210 forks, and 17 contributors. It is maintained with 1 commit in the last 12 months; the most recent commit was on May 30, 2026. The latest release, v1.7.0, was published on Dec 14, 2024. On npm it is downloaded about 29.1K times per week.

Its GitHub description: The sassy UML diagram renderer

GitHub topics: nomnomldiagramumlflowchartclass-diagram

Install

npm
npm install nomnoml
v1.7.0

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 20260
Feb 20260
Mar 20260
Apr 20260
May 20261
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 nomnoml 2.8K
Mermaid 90.5K Diagrams 42.7K D2 25.6K PlantUML 13.4K Markmap 13.1K flowchart.js 8.7K nomnoml 2.8K
GitHub stars for nomnoml and the most-starred alternatives.
Show data as a table
ToolStars
Mermaid90,547
Diagrams42,673
D225,563
PlantUML13,354
Markmap13,147
flowchart.js8,700
nomnoml2,837

Alternatives to nomnoml

  • 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

  • flowchart.js

    Draws SVG flowcharts from a textual description.

    8.7K starsJavaScriptMIT

nomnoml FAQ

Is nomnoml open source?

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

Is nomnoml still maintained?

Mostly. nomnoml had 1 commit in the last 12 months; the latest was on May 30, 2026.

How do I install nomnoml?

From npm: npm install nomnoml.

What are the best alternatives to nomnoml?

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

What language is nomnoml written in?

nomnoml is primarily written in TypeScript, according to GitHub.

Data: GitHub API, npm. Updated Oct 5, 2026.