Tool profile
PlantUML
PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
What is PlantUML?
PlantUML is an open-source tool well-suited for technical and non-technical users who want to create UML and non-UML diagrams using a plain text language. Because diagrams are stored as text files, it stands out for being version control friendly with systems like Git. Its straightforward text-based syntax allows for quick diagram creation and modification without needing a graphical interface, and it supports a wide range of diagrams including sequence, use case, and class diagrams.
The platform integrates well with IDEs such as IntelliJ and VSCode, documentation generators like Doxygen and Sphinx, and various project management tools. Since exact pricing details beyond its open-source model are not fully specified in the facts, check their official resources for any current plans or extensions. PlantUML is available on the Web platform.
Features
Simple Syntax
PlantUML uses a plain text language that is easy to learn, making it accessible for both technical and non-technical users.
Quick Diagram Creation
Due to its straightforward text-based syntax, diagrams can be created and modified quickly without the need for a graphical interface.
Version Control Friendly
Diagrams are stored as text files, making them easy to manage with version control systems like Git.
Integrations
PlantUML integrates well with many other tools and platforms including IDEs (e.g., IntelliJ, VSCode), documentation generators (e.g., Doxygen, Sphinx), and project management tools.
Wide Range of Diagrams
PlantUML supports a variety of UML and non-UML diagrams, including sequence diagrams, use case diagrams, class diagrams, and more.
Open Source
PlantUML is an open-source tool, which makes it free to use and allows for community contributions and extensions.
Screenshots
PlantUML vs. its alternatives
| PlantUML |  LucidChart |  Dia |  OmniGraffle |  yEd | |
|---|---|---|---|---|---|
| Pricing | Open source | — | — | — | — |
| Platforms | — | — | |||
| Listed features | 6 | 6 | 5 | 5 | 5 |
Frequently asked questions
Is PlantUML free to use?
Yes, PlantUML is an open-source tool, which makes it free to use and allows for community contributions and extensions.
What is PlantUML used for?
PlantUML is used to draw a wide range of UML and non-UML diagrams—such as sequence diagrams, use case diagrams, and class diagrams—using simple textual descriptions.
What platforms is PlantUML available on?
PlantUML is available on the Web platform, and it integrates well with IDEs like IntelliJ and VSCode.
How does the Version Control Friendly feature work?
Because PlantUML stores diagrams as text files, they can be easily managed with version control systems like Git.
What tools does PlantUML integrate with?
PlantUML integrates with IDEs such as IntelliJ and VSCode, documentation generators like Doxygen and Sphinx, and project management tools.
What are the best alternatives to PlantUML?
Some known alternatives include LucidChart, draw.io, and OmniGraffle, which you might prefer if you want to create diagrams using a graphical interface rather than plain text descriptions.
Alternatives to PlantUML
Read the full comparison →
draw.io
Online diagramming application
