dia-common 0.97.3+git20160930-8.2 (arm64 binary) in ubuntu focal

 Dia is an editor for diagrams, graphs, charts etc. There is support for UML
 static structure diagrams (class diagrams), Entity-Relationship diagrams,
 network diagrams and much more. Diagrams can be exported to postscript and
 many other formats.
 .
 This package contains the architecture independent files.