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Umbrello vs Visual Paradigm: catalog facts
Umbrello	Visual Paradigm
Free Free and open source under the GPL-2.0 or later.	Freemium Paid editions with a free trial; some tools such as the VPasCode online editor are free.
Windows, Linux	macOS, Web
Supports nine UML and ER diagram types Generates code from diagrams in several languages	Covers UML, SysML, BPMN and enterprise architecture in one tool Desktop and browser versions
No macOS build listed Interface follows KDE conventions that may feel unfamiliar outside Plasma	Broad feature set takes time to learn Full features require a paid edition
Downloadable app	Downloadable app, Web application
Open source	Closed source
License: GPL-2.0-or-later	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.