AwesomeDataviz

PlantUML

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

Website GitHubMaven Central
GitHub stars
13.4K#48 in the directory
Commits, last 12 months
846
Contributors
131
Last commit
Latest release
v1.2026.8Sep 5, 2026

Overview

PlantUML is an open-source diagram-as-code tool released under the LGPL-3.0 license. Its GitHub repository has 13,352 stars, 1,235 forks, and 131 contributors. It is actively developed with 846 commits in the last 12 months. The latest release, v1.2026.8, was published on Sep 5, 2026.

Its GitHub description: Generate diagrams from textual description

GitHub topics: diagramdiagram-as-codediagramsdiagrams-as-codejavaplantumlumluml-diagram

Install

Maven Central
implementation("net.sourceforge.plantuml:plantuml:1.2025.4")
v1.2025.4

Development activity

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

050100150 Oct 2025 Nov Dec Jan 2026 Feb Mar Apr May Jun Jul Aug Sep
050100150 Oct 2025 Jan 2026 Apr Jul
846 commits from Oct 2025 to Sep 2026.
Show data as a table
MonthCommits
Oct 202542
Nov 202548
Dec 202527
Jan 202648
Feb 2026101
Mar 2026140
Apr 202650
May 2026111
Jun 202667
Jul 202643
Aug 202676
Sep 202693

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 PlantUML 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 PlantUML

  • Mermaid

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

    90.5K starsTypeScriptMITPlantUML vs Mermaid

  • Diagrams

    Diagram as code in Python for prototyping cloud system architectures.

    42.7K starsPythonMITPlantUML vs Diagrams

  • D2

    Declarative diagram scripting language that turns text into diagrams.

    25.6K starsGoMPL-2.0PlantUML vs D2

  • Markmap

    Builds interactive mind maps from Markdown.

    13.1K starsTypeScriptMITPlantUML vs Markmap

  • flowchart.js

    Draws SVG flowcharts from a textual description.

    8.7K starsJavaScriptMIT

  • Penrose

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

    8K starsTypeScriptMIT

More comparisons: Mermaid vs PlantUML · Diagrams vs PlantUML · D2 vs PlantUML · Markmap vs PlantUML

PlantUML FAQ

Is PlantUML open source?

Yes. PlantUML is released under the LGPL-3.0 license, and its source code is on GitHub.

Is PlantUML still maintained?

Yes. PlantUML is actively developed, with 846 commits in the last 12 months and the latest commit yesterday.

How do I install PlantUML?

From Maven Central: implementation("net.sourceforge.plantuml:plantuml:1.2025.4").

What are the best alternatives to PlantUML?

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

What language is PlantUML written in?

PlantUML is primarily written in Java, according to GitHub.

Data: GitHub API, Maven Central. Updated Oct 4, 2026.