Install latest/stable of Umbrello
Ubuntu 16.04 or later?
Make sure snap support is enabled in your Desktop store.
Umbrello UML Modeller is a Unified Modelling Language diagram editor for KDE. It can create diagrams of software and other systems in the industry-standard UML format, and can also generate code from UML diagrams in a variety of programming languages.
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Generate an embeddable card to be shared on external websites.
Choose your Linux distribution to get detailed installation instructions. If yours is not shown, get more details on the installing snapd documentation.