AwesomeDataviz

C4-PlantUML

PlantUML macros and styles for drawing software architecture diagrams with the C4 model.

GitHub
GitHub stars
7.4K#89 in the directory
Commits, last 12 months
20
Contributors
34
Last commit
Latest release
v2.14.0Aug 26, 2026

Overview

C4-PlantUML is an open-source diagram-as-code tool released under the MIT license. Its GitHub repository has 7,427 stars, 1,170 forks, and 34 contributors. It is actively developed with 20 commits in the last 12 months. The latest release, v2.14.0, was published on Aug 26, 2026.

Its GitHub description: C4-PlantUML combines the benefits of PlantUML and the C4 model for providing a simple way of describing and communicate software architectures

GitHub topics: plantumlc4modelarchitectureumldiagramgraphvizc4

Development activity

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

0246 Oct 2025 Nov Dec Jan 2026 Feb Mar Apr May Jun Jul Aug Sep
0246 Oct 2025 Jan 2026 Apr Jul
20 commits from Oct 2025 to Sep 2026.
Show data as a table
MonthCommits
Oct 20252
Nov 20250
Dec 20252
Jan 20265
Feb 20262
Mar 20260
Apr 20265
May 20262
Jun 20260
Jul 20260
Aug 20262
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 C4-PlantUML 7.4K
Mermaid 90.5K Diagrams 42.7K D2 25.6K PlantUML 13.4K Markmap 13.1K flowchart.js 8.7K C4-PlantUML 7.4K
GitHub stars for C4-PlantUML and the most-starred alternatives.
Show data as a table
ToolStars
Mermaid90,547
Diagrams42,673
D225,563
PlantUML13,354
Markmap13,147
flowchart.js8,700
C4-PlantUML7,427

Alternatives to C4-PlantUML

  • 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

C4-PlantUML FAQ

Is C4-PlantUML open source?

Yes. C4-PlantUML is released under the MIT license, and its source code is on GitHub.

Is C4-PlantUML still maintained?

Yes. C4-PlantUML is actively developed, with 20 commits in the last 12 months and the latest commit 1 month ago.

What are the best alternatives to C4-PlantUML?

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

What language is C4-PlantUML written in?

C4-PlantUML is primarily written in PlantUML, according to GitHub.

Data: GitHub API. Updated Oct 5, 2026.