umbrello 4:17.12.3-0ubuntu2 (amd64 binary) in ubuntu bionic

 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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 This package is part of the KDE Software Development Kit module.