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JetUML

> 编程语言
Open source

A desktop application for fast UML diagramming.

683 stars0 likes1 views
WebsiteGitHub

About

A desktop application for fast UML diagramming.

JetUML

A simple free and open-source UML editor. JetUML supports sketching software design ideas quickly and with a minimum of hassle. Diagrams can be exported to popular image formats and copied to the system clipboard for integration with other tools.

Download the application from the latest release page and see the installation guide. Please consider supporting the project by starring this repo and by writing an endorsement.

Endorsements

I do a fair bit of modeling with some commercial tools which can be quite heavyweight. Whenever I need to quickly sketch out a design before writing code I prefer JetUML in most cases. — Randall Hudson, Mitre Corporation

Documentation

  • Download and Installation
  • User Guide
  • JetUML File Format
  • Guide for Developers
  • External Blogs and Articles

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> Tags

Javadesktop-applicationdiagramjavajavafx

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> Details

PublishedAug 1, 2026
UpdatedSep 17, 2026
Category编程语言
PricingOpen source

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