Violet UML Editor

What Violet UML Editor is

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 suits

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.

Getting started

1. Visit the Violet UML Editor repository at https://github.com/violetumleditor/product.
2. Follow the repository's direction to SourceForge to download the software.
3. Choose the listed free Violet UML Editor plan.
4. To build from source, use JDK 17 or later and Maven 3 or later.
5. Run `mvn clean package` from the repository root to compile and package the project.

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.