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Visual Paradigm vs UMLet: catalog facts
Visual Paradigm	UMLet
Freemium Paid editions with a free trial; some tools such as the VPasCode online editor are free.	Free Free and open source; donations are accepted through GitHub Sponsors, Patreon and PayPal.
macOS, Web	Windows, macOS, Linux, Web
Covers UML, SysML, BPMN and enterprise architecture in one tool Desktop and browser versions	Sequence and activity diagrams can be created from plain text Exports to EPS, PDF, JPG, SVG and the clipboard
Broad feature set takes time to learn Full features require a paid edition	Focused on drawing diagrams rather than full model-driven design Plain interface may feel basic next to commercial modelling tools
Downloadable app, Web application	Downloadable app, Web application
Closed source	Open source
License not stated	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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