Welcome to the world of PlantUml – the ultimate tool to simplify your UML diagramming experience. Created by Arnaud Roques, PlantUml boasts an extensive range of features including intuitive syntax, real-time preview, customizable output and much more. This software stands out as an exceptional choice for anyone looking to create high-quality UML diagrams with ease. Whether you are a developer, architect or simply someone who enjoys diagramming, PlantUml simplifies the process and elevates your experience. So why wait? Download PlantUml today and step up your diagramming game!

PlantUml is a simple, handy component designed to enable developers to quickly create some UML diagram using a simple textual description language. PlantUml sports a clean and intuitive layout that offers only a few configuration settings to tinker with. The tool gives you the possibility to insert the description language in a dedicated pane, or import data from the following file formats: JAVA, HTML, C, CPP, Y, plain text, and others. PlantUml offers an intuitive layout for helping users design UML diagrams via a description language. Of course, if you are not accustomed with writing description language statements, then it may prove to be pretty difficult to carry out the process.

Basically you can use this tool to write: sequence diagram, use case diagram, class diagram, activity diagram, component diagram.

PlantUML is a component that allows to quickly write :

sequence diagram,
use case diagram,
class diagram,
activity diagram,
component diagram,
state diagram
object diagram

Diagrams are defined using a simple and intuitive language.

New Release
upd CHANGES.md according to v1.2025.10 by @The-Lum in #2417
Added repeat while labels to diamond Inside figure by @AlexJauregui02 in #2422
Connectors from switch tile creates arrow to a different tile in a different swimlane by @AlexJauregui02 in #2423
tikz: vertically center single AtomText and fix cuca height (#2055) by @liudongmiao in #2424
Connectors from switch tiles connect correctly by @AlexJauregui02 in #2426
Horizontal text alignment inside multiline text by @immortaldd in #2408
Bump actions/download-artifact from 4 to 6 by @dependabot[bot] in #2431
Build PlantUML MIT Light jar in a separate project plantuml-mit-light by @nbauma109 in #2435
Bump js-yaml from 4.1.0 to 4.1.1 in /.github/actions/configure-workflow by @dependabot[bot] in #2433
Add chart diagram support with comprehensive features by @arnaudroques in #2440
Add attribute to visibility modifiers in SVG by @fcnjd in #2441
Bump js-yaml from 3.14.1 to 3.14.2 in /.github/actions/configure-workflow by @dependabot[bot] in #2442
docs: improve doc (JavaDoc, GH) [package-info.java, readme.md](for chart) by @The-Lum in #2443
2436 style allow actor shape on activity diagram by @arnaudroques in #2444
Bump actions/checkout from 5 to 6 by @dependabot[bot] in #2446
add stereotype and URL for CommandActivityLegacy1 on activity diagram by @The-Lum in #2451
Allow empty branch in mindmap by @The-Lum in #2452
add link type attributes to SVG by @fcnjd in #2453
Allow minimal mindmap by @The-Lum in #2454
fix lazy Regex on CommandActivityLegacy1 by @The-Lum in #2456
Move documentation files to docs/ directory by @Copilot in #2464
Bump actions/cache from 4 to 5 by @dependabot[bot] in #2459
Bump actions/upload-artifact from 5 to 6 by @dependabot[bot] in #2460
Bump actions/download-artifact from 6 to 7 by @dependabot[bot] in #2461
Bump junit-jupiter from 6.0.1 to 6.0.2 by @dependabot[bot] in #2472
Bump org.junit.platform:junit-platform-launcher from 6.0.1 to 6.0.2 by @dependabot[bot] in #2473
[ PlantUml release history ]

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