Violet UML Editor is a free, open-source tool for quickly drawing simple UML diagrams. It supports class, activity, object, sequence, state, and use case diagrams. The project describes it as easy to learn and says it draws diagrams with a pleasing appearance. Its intended users include developers, students, teachers, and authors who need straightforward UML diagrams. Violet is written in Java, with Java Swing and Java SWT listed as interface options, and is licensed under GNU General Public License version 2.0 (GPLv2). Supported operating systems include Linux, Mac, and Windows; the platform listing also includes web. The project repository directs users to SourceForge for downloads. Building from source requires Java Development Kit 17 or later and Maven 3 or later; the repository specifies running `mvn clean package` from the root directory to compile and package it. The maintainer invites contributions through pull requests and says they will review requests and contact contributors.
Who it is for
Violet suits developers, students, teachers, and authors who need to draw simple UML diagrams. It may also suit people who want an open-source editor for class, activity, object, sequence, state, or use case diagrams.
What is good
- Free and open source under GPLv2.
- Supports six UML diagram types.
- Available for Linux, Mac, Windows, and web.
- Project describes it as easy to learn.
What to know first
- Building from source requires JDK 17 or later.
- Building from source requires Maven 3 or later.
- Downloads are directed to SourceForge.
Verdict
Violet focuses on quick, simple UML drawing across six diagram types. Its free GPLv2 license and listed desktop and web platforms may fit people seeking a basic diagram editor.
Get started with Violet UML Editor
- Visit the Violet UML Editor repository at https://github.com/violetumleditor/product.
- Follow the repository's direction to SourceForge to download the software.
- Choose the listed free Violet UML Editor plan.
- To build from source, use JDK 17 or later and Maven 3 or later.
- Run `mvn clean package` from the repository root to compile and package the project.
Questions about Violet UML Editor
How much does Violet UML Editor cost?
The listed plan is 0.00 USD per free, and the pricing model is free.
Is Violet UML Editor open source?
Yes. It is licensed under the GNU General Public License version 2.0 (GPLv2).
Which UML diagrams does it support?
It supports class, activity, object, sequence, state, and use case diagrams.
Which platforms are listed?
The platform listing includes web, Windows, and Linux. The project also names Linux, Mac, and Windows as supported operating systems.
What is Violet UML Editor written in?
The listed programming language is Java, and the project lists Java Swing and Java SWT as user interfaces.
What is needed to build it from source?
The repository calls for Java Development Kit 17 or later and Maven 3 or later, and gives `mvn clean package` as the build command.
Violet UML Editor plans and pricing
All plansCompared on UML modeling software
- UML diagram types
- Class, activity, object, sequence, state, use case
- Deployment
- both
- Supported platforms
- Web, Windows, Linux
