Umple

Web · Windows · Mac · Linux · Self-hosted

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Freedom report

Two barsScore 5.7

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely4 of 6 device platforms
DocumentedPlans, terms and facts published

Umple is ranked #10 of 24 in UML modeling software on Freedom251. It runs on Linux, macOS, Self-hosted, Web, Windows.

Compared on UML modeling software

UML diagram types: class, state, composite structure, feature, entity-relationship, instance
Code generation: Yes
Team collaboration: Yes
Deployment: both
Supported platforms: Web, Windows, macOS, Linux, Docker
Model repository: Yes

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The record

Purpose: Umple is a modeling tool and programming language family for Model-Oriented Programming.
Modeling: It adds abstractions such as associations, attributes, and state machines to object-oriented languages including Java, Python, C++, and PHP.
Online editor: UmpleOnline lets users edit models in a browser, generate diagrams and code, and save models in the cloud.
Editors: The manual lists plugins or support for Visual Studio Code, Zed, BBEdit, Neovim, and Sublime; it says the Eclipse plugin has not been maintained recently and support may be dropped.
Command line: The command-line compiler can be incorporated into toolchains using technologies such as Gradle or Ant.
Local use: UmpleOnline can be run locally through a Docker image, with a browser connecting to a locally running server.
Outputs: The command-line compiler lists Java, PHP, Ruby, SQL, JSON, Ecore, TextUML, SCXML, and Yuml among its generation targets.
AI privacy: UmpleOnline states that its AI feature's API key is never sent to its server backend.
Data handling: UmpleOnline says it stores user data in cookies and on a server.
License: The project is licensed under the MIT License, which permits use, copying, modification, distribution, sublicensing, and sale subject to its stated conditions.
Intended users: The project describes Umple as usable for real systems in industry and says it has helped students learn software design in classrooms.
Availability: The project repository says Umple runs on Mac, Linux, and Windows and requires Java for local use.
Support: The project homepage links to a user manual, Stack Overflow, help and main mailing lists, and a Discord invite request contact.
What it does: Umple is a modeling tool and programming language family for model-oriented programming that adds abstractions such as associations, attributes, and state machines to object-oriented languages.

Where it ranks on Freedom251

Best UML Modeling Software in 2026#10 of 24

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Sources

umple.org/umple/· checked 3 Oct 2026
cruise.umple.org/umple/UmpleTools.html· checked 3 Oct 2026
try.umple.org· checked 3 Oct 2026
github.com/umple/umple/blob/master/LICENSE.md· checked 3 Oct 2026
github.com/umple/umple· checked 3 Oct 2026
cruise.umple.org/umple/Languagessupported.html· checked 4 Oct 2026
cruise.umple.org/umple/PrivacyandRisks.html· checked 4 Oct 2026